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Working with Variables
Solving Equations
Solving Inequalities
Linear Systems
Fun with Polynomials
100
Evaluate the expression when a=7, b=2, c=(-4), and d=1: a^2 - 3b + bc
35
100
Solve the equation: 4s - 6 = 18
s = 6
100
Solve the inequality: 1/3 p - 1 < 11
p < 36 OR 36 > p
100
Solve the system of linear equations: 4x - y = 6 x + 3y = 8 HINT: Use substitution or combine to solve.
x = 2 y = 2
100
Simply the expression: (9c - 5)(9c + 5) HINT: FOIL!
81c^2 - 25
200
Evaluate the expression when a=7, b=2, c=(-4), and d=1: -d - (-c)
-5
200
Solve the equation: 4m - 2(5 - m) = 14
m = 4
200
Solve the inequality: -7 > 5 - 2y HINT: Switch the sign when dividing both sides of an inequality by a negative number.
y > 6 OR 6 < y
200
Solve the system of linear equations: x - 3y = 0 x - 2y = 10 HINT: Use substitution or combine to solve.
x = 30 y = 10
200
Simply the expression: (x^2 + 3x + 2) + (2x^2 - 4x + 2)
3x^2 - x + 4
300
Evaluate the expression when a=7, b=2, c=(-4), and d=1: (b - c) / d
6
300
Solve the equation: 9 + 1/2 k = 14
k = 10
300
Solve the inequality: 3m + 2 <= 7m
1/2 <= m OR m >= 1/2
300
Solve the system of linear equations: y = x - 4 4x + y = 26 HINT: Use substitution or combine to solve.
x = 6 y = 2
300
Simply the expression: (3x^2 - 5x + 3) - (2x^2 - x - 4)
x^2 - 4x + 7
400
Evaluate the expression when a=7, b=2, c=(-4), and d=1: (c^3)d
-64
400
Solve the equation: 0.15x + 5.01 = 1.44
x = -23.8
400
Solve the inequality: 15 + x >= 7
x >= -8 OR -8 <= x
400
Solve the system of linear equations: 2x + 3y = 31 y = x + 7 HINT: Use substitution or combine to solve.
x = 2 y = 9
400
Factor the trinomial: x^2 + 5x + 6 HINT: You will need to "reverse FOIL" to solve this!
(x + 3)(x + 2)
500
Evaluate the expression when a=7, b=2, c=(-4), and d=1: 5 (b^-4)
5/16
500
Solve the equation: | 2 - x | = 1 HINT: There are TWO answers for this question. Find both!
3 and 1
500
Solve the inequality: 4/3 t + 5 > 1/3 t
t > -5 OR -5 < t
500
Solve the system of linear equations: 5p + 3q = 4 7p + 2q = 21 HINT: Use substitution or combine to solve.
p = 5 q = -7
500
Eek! Solve this quadratic equation: 2x^2 + 7x + 3 = 0 HINT: You will need to "reverse FOIL" first, then set each of those factors equal to solve. Find BOTH answers!
x = -1/2 AND x = -3