Free Printable Test B Prep

1.

The rate is given as a percent (%). Before using it in the simple interest formula, you must first convert it to a______.

a)

fraction

b)

decimal

c)

ratio

d)

dollar amount

2.

Pennywise puts $300 in a bank account earning 4% interest. How much will he earn in interest in 1 year?

a)

4

b)

8

c)

12

d)

16

3.

Mr. Pham has $410,000 in a retirement account that earns 3.85% simple interest each year. Determine the amount earned each year by this investment.

a)

$15,785

b)

$157,850

c)

$425,785

4.

Which function describes the transformation of f(x)=x² into g(x)=(x+4)²-7

a)

up 4 and left 7

b)

down 7 and left 4

c)

down 4 and right 7

d)

up 7 and left 4

5.

Describe the transformation.

a)

right 4 and down 2

b)

left 4 and up 2

c)

right 4 and up 2

d)

left 4 and down 2

6.

Is the pictured graph growth, decay, or linear or none?

a)

Exponential Growth

b)

Exponential Decay

c)

Linear

d)

None

7.

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

a)

y=8(15,000)^x

b)

y=15,000(1.08)^x

c)

y=15,000(0.92)^x

d)

y=15,000(0.08)^x

8.

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

a)

f(x)=400(1+3)^x

b)

f(x)=400(1-0.03)^x

c)

f(x)=400(1+0.03)^x

d)

f(x)=400(0.03)^x

9.

What is the range of y=2^x+1-3?

a)

(-∞,∞)

b)

(-3, ∞)

c)

(-1, ∞)

d)

(-∞, -3)

10.

Simplify the exponential expression.

a)

2x⁶y¹²

b)

2x⁵y⁷

c)

8x⁶y¹²

d)

8x⁵y⁷

11.

What is the y-intercept of the function?

a)

2

b)

3

c)

1

d)

-2

12.

Simplify the exponential expression:

a)

10x^-2

b)

2x²

c)

2x¹²

d)

10x¹²

13.

Using the parent function y=3^x what would the graph of y=3^x+1 look like?

a)

Horizontal shift left one unit!

b)

Horizontal shift right one unit!

c)

Vertical shift up one unit!

d)

Vertical shift down one unit!

14.

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

a)

9766

b)

9006

c)

9765

d)

5433

15.

What is the asymptote of the parent function y=2^x?

a)

x=0

b)

y=0

c)

x=2

d)

y=2

16.

Compare f(x) = 3^x- 4 with the basic function g(x) = 3^x

a)

4 units up

b)

4 units to the left

c)

4 units to the right

d)

4 units down

17.

Find the domain.

a)

all values less than 1

b)

all real numbers

c)

all positive numbers

d)

all values less than 0

18.

Which equation best describes the graph?

a)

y = 2^x + 4

b)

y = 2^x - 3

c)

y = 2^x - 4

d)

y = 2^x + 3

19.

Simplify $\left(2a^4b^6c^{-2}\right)^3$ . Your answer should not have any negative exponents.

a)

$6a^{12}b^{18}c^{-6}$

b)

$8a^{12}b^{18}c^6$

c)

$\frac{8a^{12}b^{18}}{c^6}$

d)

$8a^7b^9c$

20.

Simplify $\left(x^{\frac{1}{7}}\right)^{\frac{3}{2}}$ and write your answer in radical form.

a)

$^{21}\sqrt{x^2}$

b)

$\ ^{14}\sqrt{x^3}$

c)

$\sqrt{x^3}$

d)

$^3\sqrt{x^{14}}$

21.

a)

2^3/5

b)

-2^3/5

c)

2^5/3

d)

8⁵

22.

Simplify:

a)

2

b)

8

c)

16

d)

32

23.

Simplify:

a)

8x⁹

b)

8x³

c)

8x⁴√x

d)

8x³√x

24.

Simplify √24

a)

4√6

b)

3√8

c)

2√6

d)

6√2

25.

Simplify completely.

a)

8√3xy

b)

y√24xy

c)

8y√3xy

d)

8√24x

Test B Prep

Total questions: 25

Worksheet time: 49mins

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