1. Algebra 1 Review Modules 7-11

2. Length, Area, Volume What is the scale factor of the two lengths 15 and 10? Using those same lengths, what is the ratio of their areas? Using those same lengths, what is the ratio of their volumes?

3. Joe and Breanne plan to build a deck that is twice as long and twice as wide as their current deck. If the area of the original deck is 35 square meters, what is the area of the new deck? The ratio of the volumes of two cylinders is 27:1. What is the ratio of their side lengths?

4. Measures of Central Tendency Find the mean, median, and mode. 10, 10, 18, 19, 23, 23, 11, 16, 11, 18, 23, 26 Make a box and whisker plot using the data. What is the interquartile range? Find the mean absolute deviation.

5. Pie Charts Make a pie chart using the data below. Spanish speakers: 25 French speakers: 30 English speakers: 120 Other: 15

6. Solve the proportion

7. The following equation shows the distance d(t), in meters, at any time t, in seconds. d(t) = -39.5t + 150 What is the speed of the object? How far away was the object at t=0?

8. Direct and Inverse Proportions Find the equation of the direct proportion that passes through the point (3,12). Which equation is not a direct or inverse proportion?

9. Converses Write the converse of this statement: “If you drive too fast, then you get a speeding ticket.”

10. Parabolas Write the vertex of the parabola Write the parabola in standard form. Explain how you would stretch a parabola. Explain how you would move a parabola to the left. Explain how you would flip a parabola upside down.

11. Triangles Is a triangle that has side lengths 12, 16, 20 a right triangle? Find the missing side length of this right triangle. 10 12