Coordinate Geometry
12. What is the slope–intercept form of −3x − y + 7 = 0 ?
F. y = −3x − 7
G. y = −3x + 7
H. y = 3x − 7
J. y = 3x + 7
K. y = 7x + 3
21. What is the slope–intercept form of 6x + 2y − 4 = 12 ?
A. y = 3x + 8
B. y = 3x − 8
C. y = −3x + 8
D. y = −3x − 8
E. y = −8x + 3
22. What is the slope of any line perpendicular to the line 2x + 5y = −10 ?
F.
G.
H.
J.
K.
23. A line in the standard (x,y) coordinate plane has equation −5x + 3y = −9. What is the slope of this line?
A. −3
B.
C.
D.
E. 3
31. What is the y-coordinate of the point in the standard (x,y) coordinate plane at which the lines y = 4x + 7 and y = 6x − 3 intersect?
