Quiz about Unit 4 Test 2 Review

Question 1

1. Identify the zero(s).

Accepted Answer

(0,0) & (4,0)

Answer

(0,0)

Answer

(2,-4)

Answer

None

Question 2

2. Identify the root(s).

Accepted Answer

(-1,0) & (3,0)

Answer

(-2,5) & (4,5)

Answer

(1,-4)

Answer

None

Question 3

3. Identify the x-intercept(s).

Accepted Answer

(2,0) & (6,0)

Answer

None

Answer

(2,0)

Answer

(4,2) & (6,0)

Question 4

4. Identify the solution(s).

Accepted Answer

(3,0) & (4,0)

Answer

(0,0)

Answer

None

Answer

(3.5,0)

Question 5

5. y=x²+x-12 matches up with which graph?

Accepted Answer

B

Answer

A

Answer

C

Answer

None

Question 6

6. y=x²-x-12 matches up with which graph?

Accepted Answer

A

Answer

B

Answer

C

Answer

None

Question 7

7. y=-x²-x+12 matches up with which graph?

Accepted Answer

C

Answer

A

Answer

B

Answer

None

Question 8

8. Convert y=2(x+2)²- 5 into standard form.

Accepted Answer

y= 2x²+ 8x + 3

Answer

y= x²+ 4x - 5

Answer

y= 2x²+ 4x + 3

Answer

y= 2x²+ 8x + 8

Question 9

9. Convert y= -4(x+1)²+ 7
into standard form.

Accepted Answer

y= -4x²- 8x + 3

Answer

y= -4x²- 8x - 4

Answer

y= -4x<sup>2 </sup>+3

Answer

y= x²+ 2x + 1

Question 10

10. Convert y= - (x-3)²+ 6
into standard form.

Accepted Answer

y= -x²+ 6x - 3

Answer

y= x²- 6x + 15

Answer

y= -x²+ 6x - 9

Answer

Cannot convert.

Question 11

11. Convert y= x²+ 7x + 12
into intercept form.

Accepted Answer

y=(x+4)(x+3)

Answer

y=(x-4)(x-3)

Answer

y=(x+6)(x+2)

Answer

(x+4)(x+3)

Question 12

12. Convert y= x²- 9x - 36
into intercept form.

Accepted Answer

y=(x-12)(x+3)

Answer

Prime

Answer

y=(x+12)(x-3)

Answer

y=(x+9)(x-4)

Question 13

13. Convert y= 3x²+ 15x - 18
into intercept form.

Accepted Answer

y=3(x+6)(x-1)

Answer

y=(x-3)(x+18)

Answer

y=(x+6)(x-1)

Answer

y= 3x² + 6x - 1x -18

Question 14

14. Describe the transformations in the following function:
y= - 1/3(x+1)² + 7

Accepted Answer

x-axis reflection; shrink 1/3; left 1; up 7

Answer

x-axis reflection; shrink 1/3; right 1; down 7

Answer

x-axis reflection; stretch 1/3; left 1; up 7

Question 15

15. Describe the transformations in the following function:
y= 2(x-3)² - 6

Accepted Answer

stretch of 2; right 3; down 6

Answer

stretch of 2; left 3; up 6

Answer

shrink of 2; right 3; up 6

Question 16

16. What is the axis of symmetry for f(x) = x²-12x + 32?
*use the formula -b/2a

Accepted Answer

x=6

Answer

6

Answer

x=12

Answer

x= -4

Question 17

17. What is the vertex of the function: f(x)= 3(x+6)²-4

Accepted Answer

(-6,-4)

Answer

(6,4)

Answer

(-6,4)

Answer

(6,-4)

Question 18

18a. What are the zero(s) of the function: f(x)=-2(x-1)(x-5)

Accepted Answer

(1,0) & (5,0)

Answer

(-1,0) & (-5,0)

Answer

(-2,0)

Answer

(-1,0) & (5,0)

Question 19

18b. What is the axis of symmetry of the function: f(x)=-2(x-1)(x-5)

Accepted Answer

x=3

Answer

3

Answer

x= -3

Answer

Cannot be determined.

Question 20

18c. What is the vertex of the function: f(x)=-2(x-1)(x-5)
*Try finding without your calculator!

Accepted Answer

(3,8)

Answer

(8, -3)

Answer

(1, 5)

Answer

(3,0)

Question 21

20. What is the standard form of a quadratic function?

Accepted Answer

y=ax²+ bx + c

Answer

y=a(x-h)² + k

Answer

y=mx+b

Answer

y=a(x-p)(x-q)

Question 22

21e&f. What are the x & y intercepts?

Accepted Answer

x: None; y: (0,5)

Answer

x: None; y: (5,0)

Answer

x: (1,2); y: (0,4)

Answer

x: (0,5); y: None

Question 23

21g. Identify the vertex & determine whether it is a minimum or maximum:

Accepted Answer

(2,1); minimum

Answer

(1,2); maximum

Answer

(1,2); minimum

Answer

(0,5); maximum

Question 24

21h. Where is the axis of symmetry?

Accepted Answer

x=2

Answer

2

Answer

x=0

Answer

x=1

Unit 4 Test 2 Review

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