Math

Straight lines

Simplify each expression.
6) (7 - 4x* + 2x>) + (6 + 5x4 + 4x) + (6x? + 6x4)
76x
7) (7x3 - 6x* – 3x?) + (2x2 – 2x3 – 7) – (5.x3 – 5x4)
8) (Ta* – 3a- 1) +(Sa® + 4a4 + a) – (8aº + 6a2)
9) (213 + 8 - 4v) + (513 + 3v – 6) + (713 + v)
Write the slope-intercept form of the equation of each line given the slope and y-intercept.
10) Slope
3
2'
y-intercept = -5
11) Slope
y-intercept = -1
3
12) Slope
7
y-intercept = 3
13) Slope = -1, y-intercept = -2
=
Write the slope-intercept form of the equation of the line through the given point with the giv
slope.
14) through: (-5, -3), slope = undefined
5
15) through: (3, 2), slope
7
16) through: (-4,-3), slope
20-
17) through: (1, -5), slope = -4
2
-1-