Algebra I-Inequalities
Solve for x: 5x + 3 > 13
5x > 10
x>2
Solve for x: 2x = 16
x = 8
What is the slope-intercept formula?
y = mx + b
2x2 + 4x
2x(x + 2)
What is an exponent
The value a base is raised to
3x + 5x <-64
8x <-64
x < -8
2x + 3 < -5x -4
7x + 3 < -4
7x < -7
x < -1
What is y-intercept in the equation: y = 2x + 14
(0, 14)
Factor: x2 + 10x + 16
(x + 2) (x + 8)
(3x)4
81x4
x + 6x -8 < -3x +22
7x - 8 < -3x +22
10x < 30
x < 3
3x -15 = -21
3x = -6
x = -2
What is the slope of the equation: y = -3x + 7
x^2 -49
(x - 7) (x + 7)
Find the vertex:
f(x) = -2 (x+2)2 + 9
(-2, 9)
-2x > -25 + 3x
-5x > -25
x < 5
4x +3(x-2) = 5x -20
4x + 3x - 6 = 5x - 20
7x -6 = 5x -20
2x = -14
x = -7
Re-arrange the equation so that it is in slope-intercept form: 2x + y = -3
y = -2x - 3
Find the area of rectangle if the length is 2 more than 5 times the width
L = 5x + 2 , W = x
(5x + 2) (x)
5x2 + 2x
Who used to do murder mystery performances on different cruise line tours?
Mr. Brownell
3x + 9 > 3 (x-10)
3x + 9 > 3x - 30
3x > 3x - 39
all real numbers
Solve for x: -4(2 -x) = 24
2-x = -6
-x = -8
x = 8
What is the slope of the equation: x + 3y = 12
3y = -x + 12
y = -1/3 x +4
slope = -1/3
Factor: 4x2 -24x + 9
(2x+3)2
Who is Ms. Williamson's favorite NBA basketball team?
Sixers