Equations
Miscellaneous
Functions
Slope
Factoring
Statistics
100
Solve: 2x + 2 = 18
x = 8
100
Is it a function?
No
100
What is the slope-intercept form of a linear equation?
y= mx + b
100
Find the slope: y = 3x + 5
3
100
Find the GCF of 4x2-10x
2x
100
How do you find the mean of a data set?
Add the values and divide by the number of values.
200
C
200
Simplify by combining like terms: 8a2 + 13 - 5a2 + 2
3a2 + 15
200
g(x) = 3x2+1. Find g(3)
28
200
What is the slope of the following equation:
2x + 2y = 8
slope = -1
200
Factor x2 - 15x + 36
(x - 12)(x - 3)
200
What is the mode of the following data set?
8, 15, 2, 5, 1, 2, 12, 2, 11
2
300
Solve: 3x + 3 - 2x = 21
x = 18
300
B
300
Solve the system:
x + 2y = 13
-x + y = 5
y = 6, x = 1
300
Write an equation of a line that has a slope of 3 and a y-intercept of -8.
y = 3x - 8
300
Factor x2 + 2x + 1
(x + 1)(x + 1) or (x + 1)2
300
Find the median of the data set:
1, 1, 3, 4, 7, 8, 10, 14, 14, 16, 18, 20
9
400
Solve: (x + 6)(x - 8) = 0
x = -6 or x = 8
400
How do you find the inverse of a function from a table of values?
Switch the x- and y-values.
400
What is the vertex of the function?
f(x) = -2(x + 1)2 + 4
(-1, 4)
400
What's the slope of the line passing through (3,9) (5,4)
slope: -5/2
400
Factor x2 - 8x - 20
(x - 10)(x + 2)
400
When will the mean equal the median in a data set?
When the data is perfectly symmetrical.
500
Solve: x2 - 49 = 0
x = 7 or x = -7
500
What is the slope formula?
(y2 - y1)/(x2 - x1)
500
Describe the 3 transformations of g(x) from f(x)=x2 if g(x) = -(x + 2)2 + 1
Reflection/flip, translation 2 units left and 1 unit up
500
Write the equation of a line parallel to y = -2/3 x + 1 with a y-intercept of 4.
y=-2/3 x + 4
500
Solve by factoring:
x2 - 9x + 20 = 0
x = 5 or x = 4
500
Find the Q4 grade needed to pass with a 65 if the first 3 quarter grades are 62, 68, and 58.
72