7.4b Homework (4)

Last updated over 5 years ago
8 questions
True or False; Tell whether the ordered pair is a solution of the equation.
1

y=2x; (0,2)

1

y=6x; (2, 12)

1

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

1

y=x+4; (1,3)

Identify the independent variable.
1

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

1

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:

1

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:

1

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