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Expressions
Equations
Real Numbers
Compound Inequalities
Absolute Value
100
Simplify 9x + 9 - 1
What is 9x + 8.
100
Solve for x: 3 = x + 3 - 5x
What is 0.
100
Is -5.243 rational or irrational?
What is rational.
100
Solve and graph 5 < b + 5 < 9
0 < b < 4. Empty circles on 0 and 4 and a line between them.
100
Solve |p-1| = 4
What is p = 5, -3.
200
Simplify -9 - 6(-v + 5)
What is -39 + 6v.
200
Solve for v: -12 = 2 + 5v + 2v.
What is -2.
200
Which is irrational...the square root of 64 or the square root of 54?
The square root of 54 because the square root of 64 is 8.
200
Solve and graph: -4 < r + 3 <_ 6
-7 < r <_ 3 with an open circle on -7, a closed on on 3 and a line in between.
200
Solve -4|b-2| - 9 = -37.
What is b = 9, -5.
300
Simplify -10(-8x + 9) - 8x
What is 72x - 90.
300
Solve for n: 75 = 3(-6n - 5)
What is -5.
300
Which numbers are integers? -0.462, -56, 735, 0.326, 8321, and 0
They are -56, 735, 8321, and 0.
300
Solve and graph: 6 + 2p < 24 or 5p - 11 > 39
p < 9 or p > 10 With open circles on 9 and 10 and arrows pointing opposite ways.
300
Solve and graph |n + 2| < 2
Open circles on -4 and 0 with a line in between.
400
Simplify x(z + 3) + 1 + 3 - y using x = 6, y = -5, and z = 2.
What is 39.
400
Solve for x: -12(x - 12) = -9(1 + 7x)
What is -3.
400
What is the definition of an irrational number?
It is a number that is not rational. In decimal form it never ends and it never repeats.
400
Solve and graph 2 < 8 + 3m < 5.
-2 < m < -1 with open circles on -2 and -1 and a line in between.
400
Solve and graph -4|m| < -4
Open circles on -1 and 1 with arrows pointing either direction.
500
Simplify 3(a + c(b + 5) - (-6 + a)) using a = 1, b = -6, c = -4.
What is 30.
500
Solve for k: -4k + 2(5k - 6) = -3k - 39
What is -3.
500
Part 1: What is the definition of absolute value? Part 2: What is |-6| and -|8|?
The absolute value is a numbers distance away from zero on a number line. |-6| = 6 and -|8| = -8
500
Solve and graph -10x - 9 _> 11 and -11x - 1 <_ 87
x <_ -2 and x _> -8 With closed circles on -8 and -2 and a line in between.
500
Solve and graph 10|n + 6| - 7 > 73.
Opened circles on -14 and 2 with arrows pointing either way.