Simplifying Expressions
Simplify the expression.
10xy – 4 + 3xy + 7
13xy + 3
7x - 2 = 12
x = 2
For f(x) = -2x+1, find f (x) when x=2
f(2) = -3
Graph y = -2x + 1. Define the slope, y-intercept, x-intercept, and zero of the line.
slope = -2
y-intercept = (0, 1)
x-intercept = (1/2, 0)
zero = 1/2
Write the equation of a line parallel to the line
y=12x+5 through the point (-2, 5)
y = 12x + 29
-2( 2x + 1) + 2x
-2x - 2
5x + 9 = x - 23
x = -8
For g(x) = x2+3x-1, find g (x) when x= -2
Graph y = (⅔)x - 4. Define slope, y-intercept, x-intercept, and zero of the line.
slope = 2/3
y-intercept = (0, -4)
x-intercept = (6, 0)
zero = 6
Write a linear equation passing through (-2, 8) and perpendicular to y=2x+5.
y = -(1/2)x + 7
14x +12 + 18 – 10x
4x + 30
9m = 4m - 35
m = -7
What is the slope of the line through (-1, 0) and (3, -2)?
m = -1
Given the point and slope, write the equation in slope-intercept form.
(4, -5); slope = -3/4
y = -(3/4)x - 2
Write a linear equation passing through (-6, -1) and parallel to 2x+3y=3
y = (3/2)x - 5
-3(x+5) + 4(x-3)
x - 27
4(w - 6) = 3(w + 1)
w = 27
What is the slope of the equation 2x + 3y = 6?
m = -(2/3)
Given the two points, write the equation in slope-intercept form.
(-4, 1) and (8, -8)
y = -(3/4)x - 2
Write a linear equation passing through (-2, 8) and perpendicular to y=2x+5.
y = -(1/2)x + 7