Write the correct expression for the verbal expression: a number minus 14 is 12
What is x - 14 = 12
100
The square root of 49 is classified as a ______________ number (just it's lowest classification)
What is a natural number
100
James' savings account increased by $25 after he deposited his birthday money. He now has $326 total. Write and solve an equation to find his beginning balance.
What is x + 25 = 326 ; x = $301
100
Simplify: 4x - 12 + 6x - 19xy
What is -19xy + 10x - 12
100
What number or symbol is the constant: 3x + 4 = y
What is 4
200
Write the correction algebraic expression for the verbal expression: 7 less than a number is 15
What is x - 15 = 15
200
0 is classified as what type of number (name all that apply)
What is whole, integer, and rational
200
Solve: 12 > -6x
What is x > -2
200
Evaluate 7x2 + 3 - 2x; for x = -3
What is 72
200
Name the coefficient: y = -4x + 8
What is -4
300
Write the correct algebraic expression for the verbal expression: 8 plus eighteen divided by a number is -10
What is (8 + 18)/x = -10
300
What is -1.84 classified as?
What is a rational number
300
Solve 2/5x - 9 = -12
What is x = -7.5
300
Simplify: 4x - 3(2x + 8) - 12
What is -2x - 36
300
What is the negative square root of 81?
What is -9
400
Write the correct algebraic expression for the verbal expression: 16 is twice a number plus 30
What is 16 = 2x + 30
400
True or False. A number can both be rational and irrational.
What is False
400
Solve: 2(4 - 3x) - 2 = 2x - 10
What is x = 2
400
Evaluate: m2 - |m - 6| - (a2 + m) ; for a = -2 and m = 5
What is 15
400
Both irrational and rational numbers have decimals that go on forever. Why are repeating decimals that go on forever rational numbers and not irrational?
What is because they can be converted to fractions and fractions are rational numbers.
500
Write the correct algebraic expression for the verbal expression. Then solve. 10 plus the quotient of a number and 12 is -4.
What is 10 + x/12 = -4 ; x = -168
500
True or False. All integers are natural numbers.
What is False
500
What is a solution to the following inequality?
(-2x - 7)/ 3 < 19
What is any number greater than -32 (i.e. -31, -30, -29, 1, 3, 5, ...) NOT -32 and NOT -33, -34, ...
500
Evaluate: x2|m + n| - m2n - 4xm; for x = -2 and m = 4 and n = 7
What is -36
500
What are the two differences between solving equations and solving inequalities. NOTE: their "sign" is NOT one of these differences.
What is equations have one solution and inequalities have a range of solutions and when you multiply or divide both sides of an inequality by a negative, you must flip the sign