6. What are the slopes and y-intercepts of each equation?
A. { 1 = 1; 1 = − 2, 2 = 1; 2 = 4 ,
B. {1 = −1; 1 = 2, 2 = 1; 2 = −4 ,
C. { 1 = −1; 1 = 2, 2 = 1; 2 = 4 ,
D. { 1 = −1; 1 = 2, 2 = −1; 2 = 4 ,
7. What is the point of intersection of the graph?
A. (3, −1)
B. (3,1)
C. (3, −1)
D. (−3,1)
8. Which system of linear equations has the same slopes and y-intercepts?
A. {7 − 14 = 28
− 2 = 4
B. {8 − 2 = 4 4 + 2 = 8
C. { 23 − = 4 3 + = −5
D. { 5 − = −9 3 + 4 = 12