What is absolute value?
Distance from zero.
What is a function?
A relation where every x has exactly one y.
What is the direct variation equation?
y = kx
Name three types of slope.
Positive, negative, zero, undefined.
What national holiday is celebrated in all countries?
New Year's Day
How many equations do you need to solve an absolute value equation?
Two
Is this a function?
Yes
(0. 0)
Find the slope between the points (-3, 1) and (4, -2).
-3/7
What is the most common M&M color?
Blue
Is this an "AND" or an "OR" situation?
3|x-2| >5
OR
Write the equation in function notation: y = 3x - 2
f(x) = 3x - 2
Suppose y varies directly with x, and y = 20 when x = 4. Write the function that models the variation.
y = 5x
Write an equation in slope-intercept form:
y=-1/3x-2
How many stars are there in our solar system?
One, the sun!
Solve |3x + 2| = 4x + 5.
x = -1 (x = -3 is extraneous)
If f(x) = -x2 - 9, find f(2).
f(2) = -13
Suppose y varies directly with x, and y = 15 when x = 3. Find y when x = 7.
y = 35
Write the equation in point slope form through the points (-1, 4) and (2, -2)
y - 4 = -2(x + 1) or y + 2 = -2(x - 2)
What is Mickey Mouse's original name?
Mortimer Mouse
Solve |2x - 1| < 5.
-2<x<3 or (-2 , 3)
If g(x) = 2x +5, find 6[g(-1)].
18
Write the direct variation equation through (2, 7).
y=7/2x
Write the equation in standard form:
y = -2/5x -3
2x +5y = -15
How many toes does a cat have?
18: 10 on the front and 8 on the back