Quiz about 6.5/6.6 Quiz Review

Question 1

Question 1.

Accepted Answer

x = 144

Answer

x = 12

Answer

x = 24

Answer

x = 121

Question 2

Solve the square root equation:

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 3

Question 3.

Accepted Answer

x = 53

Answer

x = 49

Answer

x = 45

Answer

x = 18

Question 4

Question 4.

Accepted Answer

x = 9

Answer

x = 2

Answer

x = 4

Answer

x = 7

Question 5

Question 5.

Accepted Answer

x = 14

Answer

x = 5

Answer

x = -6

Answer

x = -1

Question 6

Question 6.

Accepted Answer

x = 81

Answer

x = -9

Answer

x = 9

Answer

x = -81

Question 7

Question 7.

Accepted Answer

x = 6

Answer

x = {7, 6}

Answer

x = 7

Answer

x = -7

Question 8

Question 8.

Accepted Answer

x = 5

Answer

x = 10

Answer

x = -9

Answer

x = -5

Question 9

Solve the cube root equation

Accepted Answer

344

Answer

21

Answer

-344

Answer

-21

Question 10

Solve the cube root equation

Accepted Answer

984

Answer

-984

Answer

26

Answer

-26

Question 11

Solve the cube root equation

Accepted Answer

990

Answer

900

Answer

0

Answer

90

Question 12

Solve the cube root equation

Accepted Answer

125

Answer

-125

Answer

25

Answer

-25

Question 13

Solve the cube root equation

Accepted Answer

228

Answer

78

Answer

-228

Answer

-78

Question 14

Question 3

Accepted Answer

20

Answer

11

Answer

4

Answer

-2

Question 15

Given
f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

Accepted Answer

5x² + 6x - 1

Answer

11x2 - 1

Answer

5x⁴ + 6x² - 1

Answer

5x² + 8x - 1

Question 16

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

Accepted Answer

x² + 8x + 1

Answer

x² + 6x - 1

Answer

5x² + 8x - 1

Answer

x² + 8x -1

Question 17

If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x).

Accepted Answer

x - 3

Answer

3 - x

Answer

5x - 1

Answer

5x - 3

Question 18

f(x) = 2x and g(x) = 2x-7
Find (f+g)(2).

Accepted Answer

1

Answer

-7

Answer

-1

Answer

8

Question 19

Given f(x) = x² + 5 and g(x) = 2x³ - 1, find (f/g)(-3).

Accepted Answer

-14/55

Answer

14/55

Answer

2

Answer

-2

Question 20

Given g(x) = -2x+2 and f(x) = 3x²+4, find (g+f)(-3).

Accepted Answer

39

Answer

-27

Answer

-23

Answer

-19

Question 21

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x).

Accepted Answer

x2-x+18

Answer

x2+x+9

Answer

x2-x+9

Answer

x2-x

Question 22

f(x)=x³-3x
g(x)=-4x+1
Find f(x)*g(x)

Accepted Answer

-4x⁴+x³+12x²-3x

Answer

-4x³-5x²-3

Answer

-4x³+2x²-3x

Answer

-4x^4-x³+12x²⁺3x

Question 23

g(x) = 2x+8

h(x) = -5x+1

Find g(x) * h(x)

Accepted Answer

-10x²-38x +8

Answer

25x²+38x+8

Answer

-10x²+42x+8

Answer

28x+8

Question 24

p(x) = 3x + 4
q(x) = 2x²
Find q(p(x))

Accepted Answer

18x²+ 48x + 32

Answer

6x2 + 4

Answer

18x2 + 32

Answer

None of these.

Question 25

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

Accepted Answer

9x+1

Answer

-9x+11

Answer

4x2+4x

Answer

9x+11

Question 26

f(x) = 3x + 10
g(x) = x - 2
Find f(g(x))

Accepted Answer

3x + 4

Answer

3x - 4

Answer

3x + 8

Answer

None of these.

Question 27

When solving f(g(x)) you work in what order?

Accepted Answer

INSIDE then OUT

Answer

Left to right

Answer

Alphabetical

Answer

It doesn't matter what you solve first, just pick your favorite letter.

Question 28

p(x) = 4x - 5
q(x) = 2x²
Find p(q(x))

Accepted Answer

8x2 - 5

Answer

8x2 + 5

Answer

8x2 - 10x

Answer

None of these.

Question 29

If f(x) =2x² + 3x - 1 and g(x) = 3x,
find g(f(x)).

Accepted Answer

6x² + 9x - 3

Answer

6x³ + 9x - 3x +1

Answer

6x³ + 9x² - 3x

Answer

6x³ + 9x - 3x - 1

Question 30

f(x) = 2x - 2

g(x) = 2x³ + 4x² - x

Find f(g(x))

Accepted Answer

4x³ + 8x² - 2x - 2

Answer

4x³ + 4x² - 2x + 2

Answer

4x³ + 8x² - 2x + 2

Answer

4x³ + 4x² - 2x - 2

Question 31

g(n) = n² + 5n

f(n) = n + 4

Find g(f(n))

Accepted Answer

n² + 13n + 16

Answer

n² + 3n + 36

Answer

n² + 13n + 36

Answer

n² + 3n + 20

Question 32

g(n) = -2n³ + 5n² + 2n - 10

h(n) = 6n

Find g(h(n))

Accepted Answer

-432n³ + 180n² + 12n - 10

Answer

432n³ + 180n² + 12n - 10

Answer

-432n³ + 30n² + 12n - 10

Answer

432n³ + 30n² + 12n - 10

Question 33

g(n) = n² + 5n

f(n) = n + 4

Find g(f(n))

Accepted Answer

n² + 13n + 36

Answer

n² + 3n + 36

Answer

n² + 13n + 16

Answer

n² + 3n + 20

Question 34

g(n) = 2n + 4

Find g(g(-6))

Accepted Answer

-12

Answer

12

Answer

36

Answer

-36

Question 35

f(x) = 2x - 5

g(x) = -4x - 2

Find f(g(-2))

Accepted Answer

7

Answer

26

Answer

-26

Answer

-7

Question 36

h(x) = -4x + 3

g(x) = 4x - 2

Find h(g(6))

Accepted Answer

-85

Answer

-107

Answer

107

Answer

85

Question 37

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of f(g(4)).

Accepted Answer

182

Answer

40

Answer

61

Answer

None of the Above

Question 38

p(x) = 3x + 4
q(x) = 2x²
Find q(p(-2))

Accepted Answer

8

Answer

-8

Answer

28

Answer

None of these.

Question 39

Given f(x) = x² - 3 and g(x) = x - 3, find f(g(f(3))).

Accepted Answer

6

Answer

0

Answer

3

Answer

9

Question 40

p(x) = 3x + 4
q(x) = 2x²
Find p(p(-3))

Accepted Answer

-11

Answer

-9

Answer

7

Answer

None of these

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