Math Scrimmage Test - 8th

Who is your math teacher?

• Sapp
• Slinker
• Edwards
• Norrod

What class period do you have math?

• 1st
• 2nd
• 3rd
• 4th
• 5th

1. Enter the value of n for the equation.

2. Consider the line shown on the graph. Enter the equation of the line in the form y = mx where m is the slope.

3. Sally is solving the linear equation 13 + 4x - 9 = 7x + 7 -3x. Her final two steps are: 4 + 4x = 4x + 7 4 = 7 Select the statement that correctly interprets Sally's solution.

• The solution is x = 0.
• The solution is the ordered pair (4, 7).
• There is no solution since 4 = 7 is a false statement.
• There are infinitely many solutions since 4 = 7 is a false statement.

4. Which table of values can be defined by the function y = 4x - 2?

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5. Which statement describes the solution of this system of equations?

• There is no solution because the graphed lines will never intersect.
• There is no solution because the graphed lines are perpendicular to each other.
• There are infinitely many solutions because the graphed lines are parallel to each other.
• There are infinitely many solutions because the graphed lines pass through all the same points.

6. Parallelogram WTPY goes through a translation of 9 units to the left and 23 units up in order to create parallelogram HRZS. Which statements must be true?

• Line segment TP is congruent to line segment SZ.
• The measure of angle T equals the measure of angle R.
• The measure of angle Z is greater than the measure of angle P.
• The length of size ZS is 14 units more than the length of side PY.
• The perimeter of parallelogram HRZS is equal to the perimeter of parallelogram WTPY.

7. A function is nonlinear and increasing when x < 3 and is linear and decreasing when x > 3. Which graph represents this function?

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8. Select all the relationships that demonstrate a positive association between variables.

• Outside temperature and cost to heat a home.
• Length of time you have walked and distance you have traveled
• Pounds of cherries you buy and amount of money you spend on cherries
• Speed of a train and the amount of time it takes for the train to get to its destination
• Number of people in a grocery check-out line and how long you have to wait to check out