Equations
Solve: 4x + 7 = 31
x = 6
solve (both answers)
(x-7)2 = 36
13 or 1
Algebra: What is the slope intercept formula?
algebra: y=mx+b
Find the x- and y-intercept of the
line 2x + 3y = –18
x-intercept is –9; y-intercept is –6.
Simplify:
(-2a3b2)4
16a12b8
Solve: 2(3x - 4) = 34
x = 7
Factor the following:
x2-5x+6
(x-2)(x-3)
Algebra: What is the Standard form of a linear equation:
Ax + By = C
Is this a function: {(1, 2), (2, 3), (2, 4)}
No
Is (4, 7) a solution to the 5x - 3y > -2
yes
Algebra: Solve for a: ax + b = c
Algebra: a = (c - b)/x
Algebra: What is the point-slope form of a linear equation:
Algebra: y - y1 = m(x - x1)
What is the solution to the system of equations?
y= -3x + 4
3x + y = -2
No Solution
Solve:
3p - 1 = 5( p - 1) - 2(7 - 2p)
p = 3
Simplify: a(b + c) - 2a(c - b)
3ab-ac
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
y = 1/2x -3 and y = 1/2x + 1
parallel (same slope)
*perpendicular would be opposite reciprocal
Simplify:
(-9n2 + 7n3 + 13) - (-12 + 11n2 + 12n)
7n3 - 20n2 - 12n + 25
Simplify: -(x + 7) -2(4x + 6)
-9x-19
Solve: 3/7x + 6 = 9
x = 7
Multiply the following
(2x-2)(x+5)
2x2+8x-10
Algebra: Write the slope-intercept form of the linear equation for the line passing through (3,9) (5,4)
Algebra: y=-5/2x+33/2
Simplify: -4(8x - 2) -2(4 - 3x)
-26x
Simplify: 1/5(-5 + 15x) - 2/5(20x - 25)
9-5x