Pre-Algebra Concepts
Unit 1: Solving Equations
Unit 1: Inequalities and Word Problems
Unit 2: Graphing Linear Equations
Unit 2: Parallel and Perpendicular Lines
100
Simplify the expression below:
4-8+3-6
-7
100
Solve for the variable x:
5x - 4(2x - 3) = 18
x=-2
100
Solve for the variable x below:
x + 3(2 - x) > 20
x<-7
100
Graph the equation on the coordinate plane:
y=1/2x-3
100
What is difference between the SLOPES of parallel and perpendicular lines?
Parallel lines have the same slope.
Perpendicular lines have opposite reciprocals.
200
Simplify the expression:
((5+9))/2+6
13
200
Solve for the variable x:
3(2x + 5) - 4x = 22
x=-3.5 or 7/2
200
Solve for the variable x below:
-4x + 7 ≤ 2x - 5
x ≥ 2
200
Find the x and y-intercepts for the standard form equation below:
3x + 9y = 27
(9,0) and (3,0)
200
Write an equation in slope-intercept form that passes through the point (6,-2) but is parallel to the line below:
y=2/3x+4
y=2/3x-6
300
Simplify the expression below:
7x+5-3x+2
4x+7
300
Solve for variable x below:
7x + 4 = 7x - 9
No solution is possible
300
Solve the compound inequality below:
2x - 1 > 7 or -3x + 2 > 11
x>8 or x <3
300
Graph the equation on the coordinate plane:
y=-1/3x+2
300
Write an equation in slope-intercept form that passes through the point (3,-2) but is perpendicular to the line below:
y=1/2x-7
y=-2x+5
400
Simplify the expression:
30-3^3
3
400
Solve for the variable x below:
5(x - 2) = 5x - 10
Infinite solutions are possible
400
A school club charges $12 per ticket and already has $48 saved.
How much money will the club have after selling 20 tickets?
$288
400
Find the x and y-intercepts for the standard form equation below:
4x - 2y = 20
(5,0) and (0,-10)
400
Write an equation in slope-intercept form that passes through the point (5,-4) but is parallel to the line below:
y=-2x+1
y=-2x+6
500
An airplane 110 feet above sea level. A submarine is 70 feet below sea level.
How apart is the airplane from the submarine?
180 feet apart
500
Solve for the variable x below:
2x+4y=6z
x=-2y+3z
500
A school club charges $12 per ticket and already has $48 saved.
How many tickets must be sold to earn $300 total?
21 tickets
500
Write and graph an equation in slope-intercept form that passes through the points (0, 8) and (-3, 2)
y=2x+8
500
Write an equation in slope-intercept form that passes through the point (12, -2) but is perpendicular to the line below:
y=3x-7
y=-1/3x+2
