Timed Mini Exam 3 — Timed Mini Exams

Questions in this quiz (10)

1. What is the slope of the line through $$(3,-4)$$ and $$(9,8)$$ in the standard $$(x,y)$$ coordinate plane?

   • $$2$$
   • $$4$$
   • $$6$$
   • $$8$$

2. When $$\frac{1}{5}m+\frac{1}{2}m=1$$, what is the value of $$m$$?

   • $$\frac{1}{7}$$
   • $$\frac{1}{5}$$
   • $$\frac{10}{7}$$
   • $$\frac{5}{2}$$

3. For all $$x$$, $$(2x-5)^2=?$$

   • $$2x^2+10x+5$$
   • $$4x^2-10x+25$$
   • $$4x^2+10x+25$$
   • $$4x^2-20x+25$$

4. What is the length, in feet, of the hypotenuse of a right triangle with legs that are 9 feet long and 12 feet long, respectively?

   • $$15$$
   • $$12$$
   • $$10$$
   • $$9$$

5. Hexagon PQRSTU shown above was drawn on a grid with unit squares. Each vertex is at the intersection of 2 grid lines. What is the area of the hexagon, in square units?

   • $$15$$
   • $$16$$
   • $$17$$
   • $$21$$

6. In the figure below, AP is perpendicular to PB, AQ is perpendicular to QB, and AP is congruent to QB. Which of the following congruences is not necessarily true?

   • AQ congruent to PB
   • AP congruent to AR
   • AR congruent to BR
   • Angle PAQ congruent to angle QBA

7. In the figure below, P, Q, R, and S are collinear. If $$\angle MPR=68^\circ$$, $$\angle MRQ=42^\circ$$, and $$\angle MQS=135^\circ$$, what is the degree measure of $$\angle PMQ$$?

   • $$85^\circ$$
   • $$75^\circ$$
   • $$65^\circ$$
   • $$70^\circ$$

8. Maria went into Sports World to price running shoes. All shoes were discounted 15% off the marked price. Maria wanted to program her calculator so she could input the marked price and the discounted price would be the output. Which of the following is an expression for the discounted price on a marked price of p dollars?

   • $$p-0.15$$
   • $$p-0.15p$$
   • $$p-15p$$
   • $$p-15$$

9. Mr. Carter plans to drive 600 miles to visit his family, driving at an average speed of 60 miles per hour. How many miles per hour faster must he average, while driving, to reduce his total driving time by 2 hours?

   • $$20$$
   • $$25$$
   • $$15$$
   • $$17$$

10. For all positive integers y, what is the greatest common factor of the two numbers 144y and 198y?

    • $$18y$$
    • $$36y$$
    • $$22y$$
    • $$12y$$