Mathematics Middle School

The equation 4x2 + 8x + 15 = 0 is being rewritten in vertex form.


Fill in the missing step.



Given 4x2 + 8x + 15 = 0

Step 1 4(x2 + 2x ___) + 15 ___ = 0

Step 2 blank

Step 3 4(x + 1)2 + 11 = 0

A:4(x2 + 2x + 1) + 15 − 4 = 0

B: 4(x2 + 2x + 1) + 15 − 1 = 0

c: 4(x2 + 2x + 2) + 15 − 2 = 0

D: 4(x2 + 2x + 4) + 15 − 4 = 0

Answers

Answer 1
D: 4(x2 + 2x + 4) + 15 − 4 = 0
Answer 2
The answer would be D:4(x2+2x+4)+15-4=0

Related Questions

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used.
Match the equivalent expressions.

Answers

I know that 3x+3y+2(2x-y) matches 7x+y
And x-4x+6y+(14x-5y) should match 11x+y but I can’t help you on the others. Sorry

Unite rate for 178 minutes swam in 5 days.

Answers

Answer:

The unit rate for 178 minutes swam in 5 days is 35.6 minutes per day.

Step-by-step explanation:

The unit rate is found by dividing the total amount by the time, which would be [tex]\frac{178}{5}[/tex] or 35.6 minutes every day.

36.5 minutes/day. Yesssss

the points (6,8) and (15,20) form a proportional relationship. find the slope of the line through the points. then use the slope to graph the line

Answers

Answer:

The answer would most-definitely be C.

Hope this helped!! Brainliest?

Step-by-step explanation:

Answer:

i think c

Step-by-step explanation:

sorry if im wrong

Does anyone play trumpet if so can you tell me the notes for measures 17-30 please this is due at 6:00 pm today! and i know its not math but- there was no music option

Answers

is there a picture you can show? i can’t help you if not

What is the area of this trapezoid?

50 in²

108 in²

126 in²

192 in²

Answers

Answer:

126 in2 or area

Step-by-step explanation:

2x9 for triangle sides then divide 2. =9 add the 2 triangle together =18

18+area of rectangle or 12x9 = 108+18=126

126 is the correct one

am i right or wrong pls help

Answers

Answer:

Your correct!

Answer:

Step-by-step explanation:

your final score is at least 117 points (second)

because you can be hit by an asteroid and game will end before you are able to score more points, or you can keep on scoring more than 117

what do i type for this question? please help me.

Answers

The answer is X>50. Hope this helps!
The answer would be X>50 ! (:

Help me Please!!!!!!!!!!

Answers

The answer is likely b

The mean of 5 numbers is 4. What happens to the mean if the number 10 is added to the data set?

A. The mean increases by 6.
B. The mean increases by 5.
C. The mean increases by 3.
D. The mean increases by 1.

Answers

Answer:D

Step-by-step explanation:

It is D. The mean increase by 1.

whats 5 x 2/5 x 6/13? :P

Answers

Answer:

Step-by-step explanation:

32/13.

5*2/5=2

2*6/13=32/13

Answer:

0.92307692307

Step-by-step explanation:

pls help it is due today

Answers

264 students are in the whole entire school
Its 230 trust extending answer

I need this for classwork/homework

Answers

Answer:

i believe it would be 7-14=-8 and -8+14=7

i could be wrong

Step-by-step explanation:

Answer:

7- (-8) and -8 - 7

Step-by-step explanation:

This work was due yesterday can I get some help?

Answers

1000 - 600 = 40

12.6 = 8.5 + 4.1

c = 1

2/3 x 5/3 = 10/9

e = 0.1

f = 20

0.99 = 1 - 0.1

4/7 + 3/7 = 1

please use 3.14 for the pi

Answers

Answer:

huh

Step-by-step explanation:

HELP ASAP PLEASE!!!!!!!!!!

Answers

Answer:

20

Step-by-step explanation:

Jonathan has 3/4 pound of grapes. How many 1/8 pound servings can Johnathan make from his grapes?

HELP PLEASE

Answers

Answer:

3/4 pounds = 6/8 pounds

6/8 divided by 1/8 = 6

6 servings of grapes

Step-by-step explanation:

Hope this helps!

Answer:

3/4 divided by 1/8 = 6

Step-by-step explanation:

i hade the answer alr but somoe answer in so it may look like copying

Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or a decrease
3. $15.60 to $11.70

Answers

Answer:

Percent of change: -25% ; The percent is a decrease

Step-by-step explanation:

The percent decreases

i'll give brainliest to first person to answer!!

a triangular prism has a base area of 12cm2 and a height of 4cm
what is the volume?

3 cubic centimeters
24 cubic centimeters
124 cubic centimeters
48 cubic centimeters

Answers

Answer: 48

Step-by-step explanation:

V=48cm³

h Height 4 cm  

AB Base area 12 cm

( I don't think this is the correct answer)

Answer: 48 cubic centimeters

Step-by-step explanation:

Go to go-ogle look up your answer and then you should be at this "Triangular prism" then you can put in the numbers and get the answer right and its really easy! I hope you have a nice day.

Help i will give brainliest for correct answers only

Answers

answers for number 2 = -16, 15, 9, 12, and -15

just add nine to each number on the x side

2. y = 2, 15, 9, 12, 3
3. y = -9, -81, -18, 63, -45
4. y = 54, -63, -36, 9, 0
5. y = 12, -6, 9, 2, -1
6. y = 40, 52, -56, 4, 16
7. y = -27, 17, 5, -23, -7
8. y = -50, 13, -22, 20, 34
9. y = -35, -40, -5, -15, 45
10. y = -56, -8, -40, 24, 16
11. y = -9, 3, -4, -2, -1
12. y = 60, 4, -68, -76, -12

I'LL GIVE BRAINLIEST:

A, B, or, C

Answers

Answer:

I think... Triangle

Step-by-step explanation:

Because the shape is a triangle

Is 4 a solution for the equation 5x + 3 = 12? Complete the following statement: The equation is (false, true) when x = 4, so 4 (is, is not) a solution.Is 4 a solution for the equation 5x + 3 = 12? Complete the following statement: The equation is (false, true) when x = 4, so 4 (is, is not) a solution.Is 4 a solution for the equation 5x + 3 = 12? Complete the following statement: The equation is (false, true) when x = 4, so 4 (is, is not) a solution.

Answers

Answer:

False, is not

Step-by-step explanation:

If we plug in 4 for x in the equation, we get that 5 * 4 + 3 = 12, and we can calculate that 20 + 3 = 12, which is not true. 4 is a false solution for that equation so it is not a solution (We can use this info to say that the answer is false, is not).

Ms. Rodriguez brought 10 oranges for afternoon snack that she needs to share evenly with the 15 players on her daughter's soccer team. Should she cut the oranges in halves, thirds, or quarters? Justify your answer.

Answers

Answer:

She should cut the oranges in thirds

Step-by-step explanation:

This way, she will end up with 30 pieces of oranges. EAch player will get 2 pieces, so it is fair!

i think she should cut it into thirds because if it is thirds they all get 2/3 evenly.

In this graph, Write the equation of the line in fully simplified slope-intercept form. Please help me with this equation! I need help

Answers

Answer:

y = 1/2x + 6

Step-by-step explanation:

Answer:

y=-x+2

Step-by-step explanation:

12 ft
B
B
2 If AABC – ADEF, what is
the value of x?
D
3 cm
E
7 cm
A 22 ft
26 ft
B
24 ft
D 28 ft

Answers

Answer:

B

Step-by-step explanation:

Answer : the answer is B

Explanation :

A ball is dropped from the top of a 400-ft tall tower. The relationship between the time, t, in seconds, and the height, h(t), in feet, of the ball can be modeled by a quadratic function. Specific values of the function are shown in the table below
Part A: Determine the average rate of change of h(t) between t = 2 and t = 5.
Part B:Explain what this average rate of change means in terms of the context.

Answers

Answer : 3

step by step :

100 people are asked their favorite color. 29 people say that blue is their favorite color.
What percentage of the group chose blue?

Answers

29% since it is 29 out of 100 people
The answer is 29% as 29/100

Express 4.08 as a mixed number.

NOOBS

Answers

U called us noobs and u expect us to anwser

Answer:

no u called me a noob .........

do it please mmm m mm mmm mm

Answers

Answer:

148 cubed feet

Step-by-step explanation:

(8*2*3)+(5*4*5) = volume

(48)+(100)

148

Will give brainliest!!! Can someone find the equation for this graph, beware, kinda difficult.

Answers

Answer:

2+2+4+4+4+2+2+4+4 and so on

it is a pattern that goes 2,2,4,4,4,4,2,2,4,4,4,4....

a smaller equation would be 2+2+4×3+2+2+4×2 since the graph stops there.

hope this helps! =D

the equation is y = 4x

3(x+2)*10*7 divided by 70-2(x+2)

Answers

3(x+2)*10*7 divided by 70-2(x+2)= x+2

Answer:

181 * (x+2) / 70

Step-by-step explanation:

3(x+2) * 10*7   /  70-2(x+2)

3 * (x+ 2) 107 / 70 -2 (x+2)  /  70

107/70

321 * x+2 / 70  - 2 (x+2)

rewrite using 70 as a fraction

181 + 362  /  70

factorize

181 * ( x+2)  

181 * (x+2) / 70

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