For items 10-12. Use the system
(x + y = 2
Ix-y=4
to answer the questions that follow.
10. What are the slope-intercept form of each equation?
A.
y = -x + 2
= -x + 2
B.
y = x-2
y = -x + 4
C.
y=-x+2
y=-x -4
D.
y = x-2
y = x + 4
11. What are the slopes and y-intercepts of each equation?
, = 1by = fm = -1; b = 2 (m = -1; by = 2
C.
m = -1; by = 2
B. im = 1; b = -4
D.
m2 = 1; b2 = 4 Im2 = -1; by = 4
12. What is the point of intersection of the graph?
A. (3,-1)
B. (3,1)
C. (-3,-1)
D. (-3,1)
13. Which system of linear equations represent the graph below?
3x - 5y = 15
A.
6x + 5y = -30
A. {'m = 1; 62 = 4
B.
3x + 5y15
6x + 10y = 30
3x - 5y 15
6x - 10y = 30
3
3x + 5y = -15
6x - 10y = 30