Module 7 Review

Look at the system of equations.

$$_{6x\ +9y\ =15}^{-2x-8y\ =\ 20}$$

What is the y-coordinate of the solution to the system of equations?

Daniel and Paul bought the same number of shirts and t-shirts. Daniel bought each shirt for $9.25, each t-shirt for $5.75, and spent $26.50. Paul bought each shirt for $12.39, each t-shirt for $4.90, and spent $27.09.

How many shirts and t-shirts did Daniel and Paul buy?

Look at the system of equations.

$$_{2x+3y=13}^{3x+2y=12}$$

What is the solution point to the system?

 In one day he National Civil Rights Museum in Memphis, Tennessee, collected $1590 from 321 people admitted to the museum. 

Each adult ticket costs $6.

Each child's admission is $4.

Which system accurately represents the situation?

Martha is cutting a rectangular piece of fabric. The length is 9 times the width. If the perimeter is 20 inches, what are the dimensions of the piece of fabric?

A system of equations is given.

$$_{x=26-2y}^{x=4y-16}$$

What is the solution to the system of equations? 

Use the graph to find the solution to the system of equations.

$$_{y=\ -x\ +1}^{y=\ \ x\ +3}$$

Which of the following represents the solution to the system of equations?

Look at the system of equations.

$$_{x\ -\ 3y\ =\ 5}^{y=\frac{1}{3}x\ -\ 1}$$

What is the solution to the system?

A local deli charges a fee for delivery.  On Monday, they delivered two dozen bagels to an office at a total of $8.  On Tuesday, three dozen bagels were delivered at a total of $11. 

Which system of equations could be used to find the cost of a dozen bagels, b, if the delivery fee is f ?

 A student is asked to solve the system below by elimination.

$$_{Equation\ 2:\ 3x-2y=2}^{Equation\ 1:\ 2x+y=-3}$$

Which of the following steps would be the best way to begin?