MATH GURU

Homework 5

1. Solve each equation for y and then sketch the graph using the ideas of slope and y- intercept.

a. 2 5 8x y+ = b. 3 2 6x y− = c. ( )6 2 5 9 5x x y− + = + d. 3 1 5 2 4 6 x y+ −

=

2. Solve V = LWH for W. 3. Solve ( )1A P rt= + for r.

4. Solve 9

32 5

F C= + for C.

5. Here are patterns for Figures 1, 2 and 3. Figure 1 Figure 2 Figure 3

a. Draw the patterns for Figure 4 and Figure 5. Then describe in words what Figure

100 would look like. b. Make a table with the figure number in the first column and the area (or number

of squares) in the second column. c. Find a formula for the area of each figure.

6. Use algebra to solve this system of equations: 3x = !26 + 4y and x !6y =11