Exam Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the domain of the function. 3 1) f(x) = 2 - x A) {x|x 2}, or (- , 2) (2, ) C) all real numbers, or (- , )
1) B) {x|x > 2}, or ( 2, ) D) {x|x 2}, or (- , 2]
Find the midpoint of the segment having the given endpoints. 11 9 5 7 , and , 2) 2 2 2 2 A) - 4, 4
B) (36, 4)
2) C) (256, 256)
Write a slope-intercept equation for a line with the given characteristics. 3) m = -7, passes through (-4, 6) A) 7x +y = 22 B) y = -7x + 29 C) y = -7x - 22 4) m =
D) -
3 1 , 2 2
D) y = 7x - 20
3 ; passes through (0, 4) 7
A) y =
3 x+4 7
3)
4) B) y = 4x -
3 7
C) y =
3 x-4 7
D) y = 4x +
3 7
Use substitution to determine whether the given ordered pair is a solution of the given equation. 5) (3, 4); y = -5x + 19 A) Yes B) No
5)
Write a slope-intercept equation for a line with the given characteristics. 6) m = 0; passes through (1, 4) A) x = 1 B) x = C) y =
6)
Plot the two points given by the ordered pairs. 7) A(-4, 0), B(0, 6)
D) y = 1
7)
1