Algebra 1A, Unit 2 PT Review

What is the justification for step 3 in the solution process?

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

What is the solution for w in the equation?

• w = 2

• w = 4

• w = 10/3

• w = 9/8

What is the solution for x in the equation?

2x - 3x - 18 = -18 + 2x + 5x

• x = 6

• x = 4.5

• x = -4.5

• x = 0

Right now, Marina is 3 times as old as Lucy. In 4 years, she will be 2 times as old as Lucy. How old will Lucy be in 3 years?

Which value of p makes this equation true?

• p = -1

• p = 0

• p = 1

• The equation has no solution

The sum of 2 times a number and 10 is the same as 6 times the difference of the number and 1.

What is the number?

• -4

• -1

• 1

• 4

Which statement is true about this equation?

-(2x + 4) + x = 3x - 4x -4

• The equation has one solution, x = 0

• The equation has one solution, x = 4

• The equation has no solution.

• The equation has infinitely many solutions.

Henry used these steps to solve an equation.

Between which two steps did Henry apply the distributive property?

• Steps 1 and 2

• Steps 2 and 3

• Steps 3 and 4

• Steps 4 and 5

Given the following formula, solve for n and write your equation on the screen.

Which equation is correctly rewritten to solve for x?

• x = r (t - s)

• x = rt + s

• x = r (t + s)

• x = (t + s)/r