SOL Equation and Inequalities

A formula to find the angle measures of an isosceles triangle is shown.

180=2x+y

Which equation can be used to find x?

• x = (180-y)/2

• x = (180+y)/2

• x = 90-y

• x = 90+y

Solve for x:

-2x+6 < x-6

• x < 3

• x > 4

• x < -3

• x > -4

Which inequality represents all the solutions of 9(4x-8) < 4(6x+9)

• x < -3

• x > -3

• x < 9

• x > 9

The formula shown can be used to find A, the amount of money Raul has in his savings account.

A = P+Prt

Raul wants to find r, the rate of interest his money earns. Which equation is correctly solved for r?

• r = Apt

• r = A-2pt

• r = A/(2Pt)

• r = (A-P)/Pt

• 
• 
• 
• 

• No solution

• 1 solution

• 2 solutions

• Infinite solutions

Solve the equation.

• x = All Solutions

• No Solution

WRITE AN EQUATION
331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• 331=7x+6
• 331=13x
• 331=6x+7
• 331-7=6x

What is the solution to this system?

• (-1, -2)
• (-2, -1)
• There is no solution.
• There are infinite solutions.