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eoc practice quadratics2

Authored by Wilhelmina Hicks

Mathematics

9th Grade

CCSS covered

Used 3+ times

eoc practice quadratics2
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the factored form of f(x) that reveals the zeros of the function?

f(x)=x2+8x+15f(x)=x^2+8x+15  

f(x) = (x + 4)(x + 2)

f(x) = (x + 3)(x + 5)

f(x) = (x + 2)(x + 6)

f(x) = (x + 1)(x + 15)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the equivalent form of f(x) that reveals the minimum value of the function?

f(x)=x2+8x+15f(x)=x^2+8x+15  

f(x)=(x+4)2−1f(x)=(x+4)^2-1  

f(x)=(x+3)2f\left(x\right)=(x+3)^2  

f(x)=(x+2)2+3f(x)=(x+2)^2+3  

f(x)=(x+1)2+8f(x)=(x+1)^2+8  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the vertex of the graph of f(x)=x2+10x−9f(x)=x^2+10x-9  ?

(5, 66)

(5, -9)

(-5, -9)

(-5, -34)

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What are the roots of the graph shown below?

(-1, -9) and

(0, -8)

(0, -4) and

(2, 0)

(-4, 0) and

(2, 0)

(0, 2) and

(0, -4)

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the roots of the quadratic equation

x2−3x+2=0x^2-3x+2=0   

-2 and -1

-2 and 1

2 and -1

2 and 1

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the solutions to the quadratic equation below? n2=11n+42n^2=11n+42  

n = -3 and

n = -14

n = -14 and

n = 3

n = 3 and

n = 14

n = 14 and

n = -3

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The graph below shows, h, the height in meters of a model rocket, versus t, time in seconds after the rocket is launched. From the graph, what conclusions can be made about the flight of the rocket?

The rocket reached a maximum height after 2.5 seconds.

At 0 seconds, the rocket was 2 meters off and the ground.

The height of the rocket was 0 meters when it was launched.

The rocket was in flight for 5 seconds.

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