Solving Equations
2x - 7 = 13
x = 10
3x < 9
x<3
Evaluate 2x + 8 when x = -2
4
x = -2
2x - y = 6
(-2, -10)
given y = -3x + 7 find the slope and y int
slope = -3
y int = 7
1/3 x + 4 = 11
x = 21
-5x > 15
x< -3
Simplify 1/2x - 8 + 3/2x - 2 + y
2x +y - 10
2x - 3y = 11
-2x + y = -17
(10,3)
Find slope and y int
4x + 2y = -16
M = -2
Y-int= -8
2 (3x - 1) = 10
x = 2
3x - 7 > x +7
x>7
xyz + x
-11
y = 2x -3
2y + 3x = 22
(4,5)
Write an equation in slope int for a line with a slope of -1/2 that passes through the point (-2, 6)
y = -1/2x + 7
1/2 (8x - 6) + 2x = 18
x = 3
-2 (x - 5) - 2x > 4
x < 3/2
Simplify
2x - (x + 9) + 11 - 3x
-2x + 2
2x +5y = 15
x - 10y = -5
(5,1)
Write an equation for a line parallel to
2x - y = 18
Any line with a slope of 2
3x - 14 + x = 2x + 10
x = 12
1/3 (-9x +3) > 2x + 16
x< -3
Write an expressions with more than one variable and the distributive property
various
At a store you buy bananas and apples. Bananas are .50 cents, apples are 2 dollars. In total you buy 10 pieces of fruit. You spend 14 dollars. How many of each fruit did you buy?
6 apples, 4 bananas
Write an equation for a line perpendicular to y = -3x + 4, that passes through (6, -4)
y = 1/3x - 6