Free Printable CBA #2 Part 2

1.

A plumber charges $50 to make a house call plus $40 for each hour worked. What is the expression and what does he make if he worked 5 hours?

a)

50x + 40; $290

b)

50x + 40x; $450

c)

50 + 40x; $250

d)

90x; $450

2.

Write the equation of the line.

a)

y = -2/3x + 4

b)

y = 2/3x + 4

c)

y = 3/2x + 4

d)

y = -3/2x + 4

3.

a)

18 Weeks

b)

20 Weeks

c)

22 Weeks

d)

24 Weeks

4.

Write a linear equation in the form of y=mx+b

a)

y = 2x + 2

b)

y = 2x - 2

c)

y = x + 2

d)

y = 3x - 2

5.

Which of the equations below is proportional?

a)

y = 6x

b)

y = 3x + 2

c)

y = 2x + 4

d)

y = -2x -1

6.

Which graph is proportional?

a)

A

b)

B

c)

C and D

d)

All of the graphs are proportional

7.

a)

A

b)

B

c)

C

d)

D

8.

Which of the following represents a proportional relationship?

a)

b)

c)

$y\ =\ -2x\ +5$

d)

A 20 pound bag of potatoes for $8.80.

9.

Which of the following represents a proportional functional relationship?

a)

A dance studio charges a $25 deposit plus $15 per lesson.

b)

Concert tickets are $50 per ticket, plus a $35 parking fee.

c)

A rain gauge has 3 inches of rain. It started raining again at a rate of 1/2 inch per hour.

d)

Jake's Quick Stop charges $1.75 for each bottle of soda.

10.

Best Buy charges $150 for the TI Inspire CX handheld calculator plus $7.50 for shipping. Which function can be used to find c, the total cost of purchasing calculators if Mrs. Eller buys t calculators.

a)

$c\ =\ 150t\ +7.50$

b)

$t\ =\ 150c\ +7.50$

c)

$c=7.50t+150$

d)

$c\ =\ 150t\ -7.50$

11.

Explain the error(s).

a)

-1.2 isn't an integer.

b)

-2 isn't a whole number and 3.4 isn't a rational number.

c)

-2 isn't a whole number and -1.2 isn't an integer.

d)

The numbers are graphed correctly.

12.

Write the equation for the line in slope-intercept form.

a)

$y=-1x+3$

b)

$y=4x+3$

c)

$y=\frac{1}{4}x+3$

d)

$y=-4x+3$

13.

Express the following in scientific notation:
10,030,400,000

a)

1.00304 x 10⁹

b)

1.00304 x 10¹⁰

c)

1.00403 x 10¹⁰

d)

1.00304 x10^-10

CBA #2 Part 2

Total questions: 13

Worksheet time: 21mins

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