Linear Equations and Inequality Algebra

A coffee shop sells donuts for $2 and muffins for $3. On a very cold morning, the shop sold 10 more donuts than muffins and made $250. Which system of equations could be used to find the number of donuts, d, and muffins, m, that the shop sold that day?

• A

• B

• C

• D

• 7.6

• 8.5

• 10.75

• 12

• A
• B
• C
• D

The graph of part of linear function is g shown on the grid. Which inequality best represents the domain of the part shown?

• -9 < x ≤ 2

• -9 ≤ x < 2

• -6 < g(x) ≤ 3

• -6 ≤ g(x) < 3

What is the domain of the graph? 

I was told by my boss to buy pounds of hamburger meat for $6 each and packages of hotdogs for $4 each. I was told to spend at most $100. Which inequality matches my situation?

What is the equation of the linear function graphed?

• x = -3

• x = -4

• y = -4

• y = -3

Which point A,B,C,or D is in the solution set of the inequality graphed below?

• A

• B

• C

• D

What is the y-intercept of the linear graph shown below?

• -3

• -6

• -1/2

• -2