Unit 2 Review

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions

• x = 1

• x = -1

• no solution

Solve the equation:
3(x - 1) = 2x + 9

• x = 12

• no solution

• x = 10

• x = 6

Describe the solution set:
2(x + 5) = 2x + 5

• one solution

• no solution

• infinitely many solutions

• two solutions

Solve the equation:
½ (2x + 6) = 3x + 13

• no solution

• x = 8

• x = -5

• x = 7

Which of the equations has no solution?

• 2x + 1 = 5x - 3

• 2(x - 7) = 2x-14

• 3(2x+1) = 6x+1

• 15x - 30 = 0

Solve the literal equation for the given variable.

• 2A/h

• 2/(h)

• 2Ah

• Ah/2

Solve for a.

• a = pw

• a = p/w

• a = w/p

• a = w + p

A-B = C
(solve for A) 

• A = C - B

• A = C + B

• A - C = B

• B = A - C

IR = V
(solve for R) 

• R = IV

• R = I/V

• R = V/I

• R = V - I

Identify the property
a + b = b + a

• Identity of addtion

• commutative of addition

• associative of addition

• symmetric