Math 1: Unit 3 ReTest

Front

Solve the system of equations: y = -4x + 5 and y = 3x - 16.

Back

(3, -7)

Front

Two parallel lines have the _____________ slope and ______________ y-intercepts.

Back

same; different

Front

Cullin needs to save at least $100 for homecoming. He works 2 jobs earning $8 an hour at Culvers and $25 an hour mowing lawns. He only has time to work 14 hours before homecoming. Which of the systems of inequalities below best represent this situation?

Back

8x + 25y ≥ 100; x + y ≤ 14

Front

What is the solution to the system of equations: 2x + 3y = 6 and 4x + 6y = 12?

Back

No solution

Front

Which of the following is a solution to this system of inequalities? x + y > 5 and x - y < 2.

Back

(3, 4)

Front

What is the slope of a line that is parallel to the line represented by the equation y = 2x + 3?

Back

2

Front

What is the y-intercept of the line represented by the equation y = -5x + 10?

Back

10

Front

If a line has a slope of -3, what is the slope of a line perpendicular to it?

Back

1/3

Front

What does it mean for two lines to be consistent?

Back

They have at least one solution.

Front

What is the graphical representation of the solution to a system of inequalities?

Back

The shaded region that satisfies all inequalities.