Quiz about End of Year Algebra

Question 1

Solve for x and y
3x + 2y = 16
7x + y = 19

Accepted Answer

(2,5)

Answer

(-2,5)

Answer

(-2,-5)

Answer

(2,-5)

Question 2

Solve for x and y
y = 2x + 1
y = 4x - 1

Accepted Answer

(1,3)

Answer

(-1,-3)

Answer

(-1,3)

Answer

(3,1)

Question 3

If a system of linear equations has one solution, what does this mean about the two lines?

Accepted Answer

Intersecting lines

Answer

Parallel lines

Answer

the same line

Question 4

Simplify

Accepted Answer

x6

Answer

x4

Answer

x29

Answer

x20

Question 5

Simplify.

Accepted Answer

y4

Answer

y60

Answer

1/y16

Answer

y-16

Question 6

Simplify

Accepted Answer

1/49

Answer

-1/14

Answer

1/14

Answer

-1/49

Question 7

Simplify:

Accepted Answer

125

Answer

25

Answer

625

Answer

1/5

Question 8

What type of function is f(x)=2(1/7)^x ?

Accepted Answer

Exponential Decay

Answer

Exponential Growth

Answer

Linear

Answer

None of the Abovee

Question 9

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

Accepted Answer

y=6(1.14)^x

Answer

y=6(0.14)^x

Answer

y=6(1+14)^x

Answer

y=6(0.86)^x

Question 10

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

Accepted Answer

2

Answer

4

Answer

(2)x

Answer

8

Question 11

Which of the following is an increasing exponential function whose y-intercept is 50?

Accepted Answer

y = 50(1.4)^x

Answer

y = 50(.05)^x

Answer

y = 50x - 4

Answer

y = (2)^x + 50

Question 12

What is the vertex form for a vertex of (-3,-5) and when a=-2?

Accepted Answer

y = -2(x+3)²-5

Answer

y = -2(x-3)²+5

Answer

y = -2(x+3)²+5

Question 13

What is the axis of symmetry of the given function?

Accepted Answer

x = 1

Answer

y = 1

Answer

y = -1

Answer

x = -1

Question 14

What is the constant that should be added to the expression to complete the square: x²+16x

Accepted Answer

64

Answer

16

Answer

8

Answer

32

Question 15

What is the vertex of y=x²+4x+3?

Accepted Answer

(-2,-1)

Answer

(2,1)

Answer

(-2,1)

Answer

(0,0)

Question 16

What equation represents the quadratic function?

Accepted Answer

y = (x - 4)²

Answer

y = (x + 4)²

Answer

y = x² - 4

Answer

y = x² + 4

Question 17

What equation represents the quadratic function?

Accepted Answer

y = x² + 8

Answer

y = (x - 8)²

Answer

y = (x + 8)²

Answer

y = x² - 8

Question 18

What equation represents the quadratic function?

Accepted Answer

y = (x - 5)² - 3

Answer

y = (x - 5)² + 3

Answer

y = (x + 5)² - 3

Answer

y = (x - 3)² - 5

Question 19

Factor
k²+7x+10

Accepted Answer

(k+2)(k+5)

Answer

(k-2)(k-5)

Answer

(k+10)(k+4)

Answer

(k+2)(k-5)

Question 20

Solve using square roots.
5b² - 4 = 41

Accepted Answer

b = 3, b = -3

Answer

b = 9, b = -9

Answer

b = 8, b = -8

Answer

no solution

Question 21

Find the zeros of this quadratic.

Accepted Answer

b=4/5, b=-3

Answer

b=4/5, b=3

Answer

b=4, b=-3

Answer

b=1/5, b=3

Question 22

Factor
3x² + 2x - 21

Accepted Answer

B. (3x - 7)(x + 3)

Answer

A. (3x + 7)(x - 3)

Answer

C. (3x - 7)(x - 3)

Answer

D. (3x + 7)(x + 3)

Question 23

Factor Completely:
x² - 36

Accepted Answer

(x + 6)(x - 6)

Answer

(x + 9)(x - 4)

Answer

(x - 6)(x - 6)

Answer

(x - 9)(x + 4)

Question 24

Factor Completely:
15x² - 60x

Accepted Answer

15x(x - 4)

Answer

(x - 4)(x - 15)

Answer

15(x² + 4x)

Answer

Prime

Question 25

Question 25.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 26

Consider the function y<2x+3. Which is true?

Accepted Answer

None of these.

Answer

The line would be solid with shading above.

Answer

The line would be dashed with shading above.

Answer

The line would be solid with shading below.

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