1. find the slope for the following line: y = 3/4 x – 7 (1 point)

–7

7

3/4

-4/3

2. what is the y-intercept of the graph of the line given by the equation 3y + 4x = 15? (1 point)

5

4

3

–4/3

3. solve the system of equations by substitution.

x = –4y
x + 5y = 2 (1 point)

(–8, 2)

(8, –2)

(2/9, –8/9)

(–12, 3)

4. solve the system of equations by elimination.

3x + 4y = 31
2x – 4y = –6 (1 point)

(4, 5)

(5, 4)

(–5, 12.5)

(5, –4)