Review Chapter 7.1- 7.4

Front

What is a solution of an equation?

Back

A solution of an equation is a value that makes the equation true when substituted for the variable.

Front

How do you check if a value is a solution to an equation?

Back

Substitute the value into the equation and see if both sides are equal.

Tags

CCSS.6.EE.B.5

Front

What is the dependent variable in the equation A = 36L?

Back

The dependent variable is A, as it depends on the value of L.

Tags

CCSS.6.EE.C.9

Front

What does the equation A = 36L represent?

Back

It represents the area A of a rectangular playground with length L, where the area is calculated by multiplying the length by 36.

Tags

CCSS.HSF.LE.B.5

Front

If 42 pop cups were sold at $2 each, how much money was made from pop sales?

Back

42 pop cups x $2 = $84.

Tags

CCSS.3.OA.A.3

Front

Write the equation for total sales if 42 pop cups and y pizza slices were sold for $2 and $5 respectively.

Back

The equation is 42(2) + 5y = total sales.

Tags

CCSS.6.EE.C.9

Front

What is the first step to solve the equation 42(2) + 5y = 329?

Back

Calculate 42(2) to find the total from pop sales.

Tags

CCSS.7.EE.B.4A

Front

If the total sales were $329 and pop sales were $84, how do you find the number of pizza slices sold?

Back

Subtract the pop sales from total sales: 329 - 84 = 245, then solve 5y = 245.

Tags

CCSS.6.EE.B.7

Front

What is the solution for y in the equation 5y = 245?

Back

y = 49, meaning 49 pizza slices were sold.

Tags

CCSS.6.EE.B.7

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Tags

CCSS.8.EE.C.7B