Solving Equations
What is 3x + 4x?
What is 7x
Algebra: What is the slope-intercept of a linear equation
Algebra: y= mx + b
What is the slope of the line in the equation:
y = 1/2x - 9
1/2
What is 3 divided by 5/7? (Write answer as a mixed number)
4 and 1/5
Solve: 30 = -5(6x + 6)
x = -2
Simplify: 8(1 + 5x) + 5 - 2x
13 + 38x
Write an equation of a line in slope intercept form that:
Has a slope of -1
Has a y intercept of -1
y=-x-1
What is the slope of a vertical line?
Subtract: 7/8 - 1/5
27/40
Solve: 37 = -3 + 5(x + 6)
x = 2
Combine:
-x + 4y - x - 6y
What is -2x - 2y
What is the ordered pair of the y-intercept if the equation of a line is y = 3x - 1
(o, -1)
What's the slope?
y - 1 = -3/2 (x - 6)
-3/2
State the x-intercept and y-intercept of the following equation: 2x - 5y = 20
x-intercept: (10, 0)
y-intercept: (0, -4)
Simplify: a(b - c) - 2a(c + b)
-1ab - 3ac
Write the equation of a line passing through (4, 6) and (4, 8)
x = 4
What's the slope?
6x + 7y = 23
-6/7
Write the equation of a line in point-slope form that passes through the points: (1, 4) and (2, 6)
y - 6 = 2(x - 2)
or
y - 4 = 2(x - 1)
Solve: 21 + x = 2(x - 6)
x = 33
Simplify: -(4 - 2x) - 2(3x + 1)
-6 - 4x
Name a point (any point!) on the line:
y = 1/2x - 8
Lots of answers:
... (-2,9) (0,8) (2,-7) (4,-6) ...
What's the slope of the line passing through (-3,9) (5,-4)
slope: 13/-8
Simplify:
1/4(-4 + 16x) - 2/5(20x - 15)
5 - 4x