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7.4b Homework (4)

Last updated over 5 years ago

8 questions

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1

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1

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1

True or False; Tell whether the ordered pair is a solution of the equation.

Question 1

1.

y=2x; (0,2)

True

False

Question 2

2.

y=6x; (2, 12)

True

False

Question 3

3.

y=2x+3; (3,9)

True

False

Question 4

4.

y=x+4; (1,3)

True

False

Identify the independent variable.

Question 5

5.

The equation p=8.65h gives the amount p (in dollars) of pay a clerk receives for working h hours. The independent variable is:

Question 6

6.

The equation P=4s gives the perimeter P (in inches) of a square mouse pad with a side length of s inches. The independent variable is:

Question 7

7.

The equation c=42t+42 gives the total cost c (in dollars) of a grocery bill with a sales tax of t percent (in decimal form). The independent variable is:

Question 8

8.

Avocados cost $3 per pound. Write and graph an equation in two variables that represents the cost of buying avocados.