Math 095 - Intermediate Algebra - Prairie State College

3. Given the function f(x) = x 2 + x + 2, which of the following represents f(−1)
(a) −x 2 − x − 2
(b) x 2 − x + 2
(c) 2
(d) 0
Objective 2: Given the graph of a line, an equation of a line, or two points on a line, find
the slope and y-intercept of the line.
4. Find the slope and y-intercept of the line described by the equation 5x −2y = 10.
(a) slope is 5/2, y-intercept is (0, −5)
(b) slope is 5/2, y-intercept is (0, 5)
(c) slope is −5/2, y-intercept is (0, −5)
(d) slope is −5/2, y-intercept is (0, 5)
5. A line passes through the points (2, 0) and (4, 4). Find the slope and y-intercept
of the line.
(a) slope is 2, y-intercept is (0, −4)
(b) slope is 2, y-intercept is (2, 0)
(c) slope is 1/2, y-intercept is (0, −4)
(d) slope is −1/2, y-intercept is (−4, 0)
6. Find the slope and y-intercept of the line shown below.
y
✻
✕
✲
x
☛
(a) slope is −2, y-intercept is (0, 2)
(b) slope is 2, y-intercept is (1, 0)
(c) slope is 2, y-intercept is (0, −2)
(d) slope is 1/2, y-intercept is (0, −2)
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