Inequalities
45 < x < 78
x is _____ than 45.
x is _____ than 78
greater than 45
less than 78
when x2 has a coefficient of 1, how do you factor a polynomial?
what two numbers multiplied get c but when added get b
the rate of change is the same thing as the _____ of a line.
slope
a function is when one or more inputs produce how many outputs???
one
6x2y2 and 10x3y2z3
what's the LCM of this?
30x3y2z3
100 > x > 80
Name one number that would make this inequality true.
multiple answers
when your first term does NOT have a coefficient of 1, what's the first step in factoring the polynomial?
find the GCF of the coefficients and constants
Jim works at a store. He earns x dollars per hour. '
The amount of money he earns PER hour is the ______.
the domain are all of the ____ values of a linear/non linear pattern.
the range are all of the ____ values of linear/nonlinear pattern
domain is x
range is y
simplify 8 radical 72
answer
5x - 16 > 7x + 36
x < -26
x2 - 10x + 24
factor this
x - 4. x - 6
x: 6, 10, 14, 18
y: 5, 3, 1, -1
what's the rate of change?
negative one half
(5, 19) (6, 14) (4, 11) (1, 0)
is it a function ?
yup.
solve this quadratic equation.
x2 + 11x - 26 = 0
x - 2. x + 13
x = 2
x = -13
true or false: when dividing an inequality by a positive number, you must reverse the direction of the inequality symbol.
false
3x3 - 36x2 + 81x
3x (x - 3) (x - 9)
(4, 7) and (0, 6)
find the rate of change and y intercept
m = 0.25
b = 6
(4, 17) (7, 18) (4, 11) (-8, -1)
is it a function
nope.
If x + y = 12 and 3x - 6y = -36, then what does 10x + 2y equal?
56
when graphing inequalities, the "greater than or equal to" symbol gets a _______ line.
The "greater than" symbol gets a _______ line.
solid line
dashed line
factor this
0.5x2 - 3.5x + 3
0.5(x - 1) (x - 6)
find the rate of change and y intercept
(5, 10) and (6, 16)
y int is -20
(12, 11) (11, 11) (10, 11) (9,11)
this a function?
yup.
5 radical x - 1. + 8 = 23.
what is x?
10