Timed Mini Exam 22 — Timed Mini Exams

Questions in this quiz (10)

1. A container holds $$\frac{3}{5}$$ gallon of paint. Each small can holds $$\frac{9}{10}$$ gallon. What fraction of a small can can be filled with the paint?

   • $$\frac{2}{3}$$
   • $$\frac{3}{10}$$
   • $$\frac{27}{50}$$
   • $$\frac{3}{2}$$

2. Evaluate the following expression:$$-3^2+4(2-5)$$

   • $$-21$$
   • $$-3$$
   • $$3$$
   • $$21$$

3. A storage shed originally cost $$\$420$$. One year later, the price of the same shed increased to $$\$546$$. What was the percent increase in the price of the shed?

   • $$24\%$$
   • $$30\%$$
   • $$36\%$$
   • $$80\%$$

4. Solve the following equation for $$x$$:$$5(2x-3)=4x+21$$

   • $$4$$
   • $$6$$
   • $$9$$
   • $$12$$

5. The line represented by $$y=-2x+6$$ is graphed in the coordinate plane. At which point does the line intersect the $$x$$-axis?

   • $$(0,3)$$
   • $(2,0)$$
   • $(3,0)$$
   • $(6,0)$$

6. What is the vertex of the parabola represented by the following function?$$f(x)=x^2-8x+7$$

   • $$(-4,-9)$$
   • $(4,-9)$$
   • $(4,9)$$
   • $$(8,7)$$

7. What is the best approximation of the relative minimum of $$g(x)$$?

   • $$(-1,6)$$
   • $(0,0)$$
   • $(1,-6)$$
   • $$(-2.4,-7.5)$$

8. If the figure above is enlarged by a scale factor of $$4$$. What is the perimeter of the enlarged figure?

   • 120

9. A music collector owns $$9$$ different albums but has room to pack only $$3$$ of them for a trip. How many different combinations of $$3$$ albums can be selected?

   • $$27$$
   • $$84$$
   • $$504$$
   • $$729$$

10. A teacher recorded seven of the eight test scores in a class:$$70,\ 76,\ 80,\ 88,\ 92,\ 95,\ 99$$The median of all eight scores is $$86$$. What is the missing score?

    • $$82$$
    • $$84$$
    • $$86$$
    • $$88$$