Algebra IA Final Exam Review

3 times the sum of b and f is the same as:

• 3 + b + f

• 3bf

• 3(b+f)

• 3b + f

Evaluate (ab)² for a = 4 & b = 3.

• 36

• 24

• 81

• 144

 $\frac{1}{3}\left(21m+27\right)$  is the same as:

• 63m+9

• 7m+81
  

• 7m+9

• 7m+27

Solve  $-7=\frac{h}{5}$  

• -7/5

• 12

• 35

• -35

Solve:  $6x-3=5x-5$  

• -4

• -2

• 0

• -1

Find the slope: (1,7), (10,1)

• 3/2

• -2/3

• -3/2

• 2/3

What is the slope and y-intercept of  $y=-4x+2$  ?

• slope = -2; y intercept = -4

• slope = 2; y intercept = -4

• slope = 4; y intercept = -2

• slope = -4; y intercept = 2

Given m = -5 and b = -3 which is the correct equation of a line?

• $y=-5x-3$

• $y=5x-3$

• $y=-5x+3$

• $y=-3x-5$

What is the first step in graphing a line?

• Plot the y-intercept

• Plot the slope

• Rise over run

• I don't know

What are the 3 methods for solving a system of equations?

• Graphing

• Substitution

• Solving

• Elimination