Algebra Sprial Review #1

What is the slope of the line 2 - y = 8x?

• -8

• -1

• 8

• 2

Which could be an equation for the line shown on the grid?

• x = -y

• x = -1

• y = 1

• x = 1

Which is the equation for a line that passes through the points (3, 1) and (4, -1)?

• y = 2x + 7

• y = 2x - 7

• y = -2x + 7

• y = -2x - 7

What is the solution to the following equation?

• 5/6

• 14/17

• -2

• 70

• x = 21

• x = 8

• x = 21/17

• x = -9

Evaluate and graph the inequality:

• all (infinite) solutions

• no solutions

Evaluate and graph the inequality:

What is the y value of the solution to this system of equations?

In an electric circuit, the current varies inversely as the resistance. The current is 40 amps when the resistance is 12 ohms. Find the current when the resistance is 20 ohms.