Unit 1: Expressions
Unit 2: Equations
Unit 3: Inequalities
Unit 4: Functions
Unit 5: Slope/Graphing Lines
100
a = 8, b = 16, c = - 4
5root(3)(a) - croot(2)(b) + 9
35
100
What is the root?
4(x - 3) + 6 = 10
x = 4
100
Solve for x.
6x - 11 - 13x < 7 - 5x
x > - 9
100
The mapping diagram shows a function or not.
nope!
100
Select each function that has an x-intercept of 3.
A. f(x) = (-4x + 15)/5
B. g(x) = 3 - (1/2)x
C. h(x) = (5/3)(x) - 5
D. j(x) = -5(x+3)
E. k(x) = -0.4x + 1.2
C. and E.
200
5root(3)(x) - yroot(2)(z) + 1
when x = 27, y = -3, z = 9
25
200
Identify which property justifies each step used to solve the equations below.
1. 3(11 - 5x) = - 12 ~ Given
2. 33 - 15x = -12 ~ ?
3. -15x = -45 ~ ?
4. x = 3 ~ ?
2. distribute
3. subtraction
4. division
200
Tell whether (-1,3) is a solution of the system of linear inequalities.
It is NOT a solution
200
Let f(x) = x2 + x + 1; find f(-5).
21
200
What is the range of the function
f(x) = -2x + 5 when the domain is {-1, 0, 5}
Range: {-5, 5, 7}
300
What is the quotient of (15x2 - 8x - 12) and (3x + 2)? Assume the denominator does not equal zero.
A. 45x3 + 6x2 - 52x - 24
B. 15x2 - 5x - 10
C. 5x + 6
D. 5x - 6
D. 5x - 6
300
Solve for S.
D = (C - S)/N
-ND + C = S
300
Graph the solution set to this inequality and write the inequality.
-(x + 4) - 2 > 2x + 6
x < - 4
300
Find f(4) =
f(4) = 0
300
Find the value of x if f(x) = 21.
f(x) = 7(x - 2)
x = 5
400
Create an expression in simplest form equivalent to
sqrt(180)
6sqrt(5)
400
Solve for h.
V = (1/3)xr2h
(3V/xr2) = h
400
Solve for x, then circle all solutions.
2(11 - x) ≤ 26
-4, -3, -2, 1, 2
-2, 1, 2
400
Find the DOMAIN:
-5<=x<=8 or (-5,8]
400
Which function does not have a y intercept of 2?
A. y = (x + 10)/5
B. y = 4(x + 0.5)
C. y = x2 + 7x + 2
D. y = (x - 2)(x + 5)
D. y = (x - 2)(x + 5)
500
Michelle correctly solved a linear equation and the last line of her work was: 1 = 2
Select the statement that best describes the solution to the equation Michelle was solving.
A. The only solution is 1.
B. The only solution is 2.
C. The solutions are both 1 and 2
D. The equation has infinitely many solutions
E. The equation has no solutions.
E. The equation has no solutions.
500
Find three consecutive integers whose sum is 84.
x + (x + 1) + (x + 2) = 84
x = 27
x + 1 = 28
x + 2 = 29
500
Write a system of linear inequalities represented by the graph shown.
y ___ 1/2x + 4
y ___ 3/2x + 1
y < 1/2x + 4 (or equal to) y > 3/2x + 1
500
Find the RANGE:
-3<=y<=2 or (-3, 2]
500
f(x) = x
g(x) = (1/3)x + 4
The graph of g(x) is shifted ______ from f(x)
a. up b. down
The graph of g(x) is ______ than f(x)
a. more steep b. less steep
up and less steep