Rewrite 78 + xy using the commutative law and state the law in your own words
What is xy + 78
100
Solve:
(2/5)x = -(9/10)
What is
x = -(9/4)
100
|-37| + 2
What is 39
100
Solve Prt = I for r
What is r = I/tP
100
What is an integer?
All whole numbers and their opposites:
{..., -3, -2, -1, 0, 1, 2, 3...}
200
Rewrite a + (b + c) using the associative law and state the law in your own words
What is (a + b) + c
200
Combine like terms:
2(x - 3) - (3 - x)
What is 3x - 9
200
|-64|- 8 =
What is 56
200
Solve for h: d = hg/x
What is h = dx/g
200
What is a rational number? What is an irrational number?
What is a rational number... a rational number is a number that can be expressed as a fraction or as a decimal.
An irrational number such as pi or the square root of 2 are irrational numbers because they cannot be properly expressed as fractions. They will result in decimals that continue forever with no pattern.
300
Rewrite x(7 + b) using the distributive law and state the law in your own words
What is 7x + xb
300
Solve:
4(x - 3) - (x + 1) = 5.
What is x = 6
300
Is x + 4 = x + 4 an identity, contradiction, or conditional equation?
What is an identity?
An identity is an equation that is true for all replacements. In x + 4 = x + 4, you can replace x with anything, and this equations would always be true.
300
Solve for c: x = bc/t
What is xt/b
300
One Friday, Vance gave 11 more flu shots than Mike did. Together they gave 53 flu shots. How many flu shots did Vance give?
What is 32 flu shots
400
Translate this expression: Three times the some of two numbers
What is 3( x + y)
400
Combine like terms to solve:
n - 9 - 4(n - 1) = n - 9 - 4n + 4
What is -3n - 5
400
In set notation, write the set of all odd consecutive numbers between 15 and 29.
What is {15, 17, 19, 21, 23, 25, 27, 29}
400
Solve for x: c = mx - rx
What is x = c/(m-r)
400
Write the equation for this problem:
Deborah rode a total of 120 mi in two bicycle tours. One tour was 25 mi longer than the other. How long was each tour?
What is 120 = t + (t + 25)
500
Seventeen more than twice a number is thirty-two
What is 17 + 2x = 32
500
Solve for t: 5t - 3(t - 3) = -t.
What is
t = -3
500
Is x + 3 = x + 4 an identity, contradiction, or conditional equation?
What is a contradiction.
A contradiction is an equation that is never true.
500
Solve for z: m = x
____
y - z
What is -(m/x) + y
500
The perimeter of a rectangle is 70 cm. The width is
5 cm longer than half the length. Find the length and the
width.