Solving Equations
-6x+3 > -39
x < 7
What is the slope-intercept form of a linear equation
y= mx + b
Find the slope: 2(3x - y) = -10
3
Solve for x
x - c = d - r
x = d - r + c
Solve the equation:
|x|-6=4
x = 10 or x = -10
7k + 1 ≤ 8 OR -7 < k - 10
k ≤ 1 or k > 3
Given point (3, 5) and m=1
Write the equation of the line
y - 5 = 1(x - 3)
Or you could write
y = x + 2
What is the slope of the following equation:
2x + 2y = 8
slope = -1
Solve for a
u = b - a - k
a = b - u - k
Solve the equation.
4|x-5| = 12
x = 8 or x = 2
8g - 6(g + 1) < 4(2g - 9)
g > 10/3 (decimal: 3.333)
Write the following equation in slope-intercept form: 5(x + 2y) = 20
y = -1/2x + 2
What's the slope of the line passing through (3,9) (5,4)
slope: -5/2
Solve for a
ak = w + v
a = (w + v)/k
Solve:
4|x+3|-7=5
x = 0 or x = -6
{0,-6}
-4 < -3b + 2 ≤ 20
2 > b ≥ -6
Or you could write
-6 ≤ b < 2
Given the points (-4, 2) and (0, 3)
Write the equation of the line
y = 1/4x + 3
Or you could write
y - 2 = 1/4(x + 4)
Or you could write
y - 3 = 1/4(x - 0) -----> y - 3 = 1/4x
Determine whether the lines are parallel, perpendicular, or neither:
y = 2x -8
y = 1/2x + 6
Neither
Solve for x
xc = r/d
x = r/cd
Solve the equation.
-3|x-1|+5=8
No Solution.
Solve: 21 + x = 2(x - 6)
x = 33
7 |w-6| ≥ 21
w ≥ 9 and w ≤ 3
Or you could write
3 ≥ w ≥ 9
Given the points (1, 3) and (2, 5)
Write the equation of the line
y - 5 = 2(x - 2)
Or you could write
y - 3 = 2(x - 1)
Write the equation of the PERPENDICULAR line through the point (-6, -2)
y = 2/3x - 9
y + 2 = -3/2(x + 6)
Or you could write
y = -3/2x - 11
Solve for x
y - y1 = m(x - x1)
x = (y - y1 + mx1)/m
Solve the equation.
0.8|x+4|-3=1
x = -9 or x = 1