Algebra 2 Mid Year Review

Translate to an algebraic expression.

twice the sum of 70 and m

• 2(m + 70)

• 2⋅70 + m

• 2(70 - m)

• 70 + m ⋅ 2

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

• infinite solutions

• x = 1

• x = -1

• no solution

State the domain:

• (-oo, 7) U (7, oo)

• (-oo, -7) U (7, oo)

• (7, oo)

• [7, oo)

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

2x² + 5x ≥ 12

• [-4, 1.5]

• (−∞, -4) U (1.5, ∞)

• (−∞, -4] U [1.5, ∞)

• no solution

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

• 40 - 35m

• 40m - 35

• 40m + 35

• 40 + 35

Solve:

• 18

• 3

• 4

• 6

Solve for x:

• x = yb - v

• x = by - v

• x = by + v

• no solution
  

• 1 solution: x=4
  

• 2 solutions: x=3,5