Cpm Elementary Algebra

Match the system to the graph (solution set is on the left)

• y ≤ 3x   and  y ≤ -2x + 4

• y > 3x   and  y > -2x + 4

• y < 3x   and  y > -2x + 3

• y > 3x   and  y < -2x + 4

Which system of inequalities matches the graph?

• y > 2x - 4
  y < 2

• y < 2x - 4
  y < 2

• y > 2x - 4
  y <  2 

• y < 2x - 4
  y <   -2

Which graph is represented by the given equation?

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Solve the system of equations:

3x + 2y = 16

7x + y = 19

• (-2, 5)

• (-2, -5)

• (2, -5)

• (2, 5)

The graph represents the money in a savings account.  What is the meaning of the y-intercept?

• The initial deposit was $30

• $30 is added to the account each week

• It took 30 weeks to same enough money to open an account

• not enough information

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

Which is the solution of 
-6a ≥ -36

• a ≥ 6

• -6 ≥ a

• a ≤ 6

• 6 ≤ a

Find the equation of the line that passes through the points:
(-3, 3) and (3, -1)

• y = -⅔ x + 1 

• y = -⅔ x  

• y = ⅔ x + 1 

• y = -⅔ x +3 

6(6v +6) - 5 = 1 + 6v

• 1

• -1

• no solution

• all real numbers

Put the equation in slope-intercept form:

-4x + 2y = -2(5 - 3y)

• y = -x + 2.5

• y = -4x + 10

• y = -4x + 6

• y = -.5x + 1.25