Equations
Inequalities
Slope
Parallel / Perpendicular Lines
Systems of Equations
100
-3x - 9 = 27
x = -12
100
-6x + 3 > -39
x < 7
100
Find the slope of the line that passes through the pair of points: (9, -3) and (9, -8).
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100
Determine if the lines are parallel, perpendicular, or neither. y = 2x - 8
y = 1/2 x + 6
perpendicular
100
Solve the system of equation by graphing.
y = 1/2x - 4 y = -x - 1
200
(3/4)d - (1/2) = 3/8 + (1/2)d
7/2
200
23 - 3(n - 2) > -8n + 6
n >= -23/5
200
Find the slope of the line that passes through the pair of points: (7, 1) and (15, 9).
m = 1
200
Determine if the lines are parallel, perpendicular, or neither. 3x + 2y = 18
y + 4 = -3/2(x - 4)
parallel
200
Solve the system using substitution.
y = 2x + 3 5x - 2y = -6
(0, 3)
300
|3x + 4| = 16
x = -20/3, x = 4
300
-4 < 3b + 2 < 20
-2 < b < 6
300
Write the equation of the line that passes through
(3, 5) with a slope of 1 in point-slope form
.
y-5 = 1(x - 3)
300
Determine if the lines are parallel, perpendicular, or neither. y = x
x + y = -2
perpendicular
300
Solve the system using elimination.
3x - 7y = 21 6x = 14y + 42
(14, 3)
400
The sum of two consecutive integers is one less than three times the smaller integer. Find the two integers.
x + (x + 1) = 3x - 1
x = 2. The two integers are 2, 3
400
y + (-6) > -13 OR -3y + 8 > -7
y > -7 OR y < 5
400
Write the equation of the line that passes through
(-4, 2) and (0, 3) in slope-intercept form.
y = 1/4 x + 3
400
Write the equation of the line parallel to the given line that passes through the given point in slope-intercept form. y = -4x - 2; (0, -1)
y = -4x - 1
400
Solve the system by graphing.
y = 2x + 1 -y = -2x + 1
500
-8|2x - 6| + 4 = -60
x = -1, x = 7
500
|2x + 5| < 13
-9 < x < 4
500
Write the equation of the line that passes through the points (1, 3) and (2, 5) in slope-intercept form.
y = 2x + 1
Use your points and slope - y = mx + b
5 = 2(2) + b or 3 = 2(1) + b --- then solve
b = 1 b = 1
500
Write the equation of the line perpendicular to the given line that passes through the given point in slope-intercept form. y = 2/3x - 9; (-6, -2)
y = -3/2x - 11
500
Wesley and Brian have a total of 87 baseball cards. Wesley has 30 less than twice as many cards as Brian. How many baseball cards do they each own?
Brian has 39 baseball cards.
Wesley has 48 baseball cards.