Operations
62 - 4 x 4
20
Sarah is s years old. She is 5 years older than Tara, who is t years old. If Tara is 12 years old, how old is Sarah?
17 years old
Simplify 52 x 57
59
Write 0.3556 in scientific notation.
3.556 x 10-1
Is {(1, 2), (2, 2), (3, 2), (4, 2)} a function?
Yes.
8 x 8 - 3 x 3 - 2
53
Daniel spent $37 on dinner and is left with $52. What is an equation that determine the amount Daniel started with, and what is the solution?
x - 37 = 52
$89
Simplify (-2m5)(9m7)
-18m12
Write 308,050,000 in scientific notation.
3.0805 x 108
Graph y = 4/5x + 1
Positive slope of 4/5. Up 4 over 5. Y-intercept of 1.
-1 5/12 + 14 4/5
13 23/60
Lina decided to order a cake and cookies. The cake costs $12.50 and each cookie costs $0.25. If Lina's bill was $$13.75, how many cookies did she order? Write and solve an equation.
12.50 + 0.25x = 13.75
5 cookies
Simplify 6x10 divided by -6x7
-x3
(1.32 x 10-6)(4.5 x 104)
5.94 x 10-2
What is the slope of the line that passes through M(-5, 2) and N(4, 5)?
1/3
3/4 divided by (-9/20)
-5/3
Find m.
5m + 8 = -2m + 57
m = 7
Simplify (3p4)4
81p16
What is the cube root of 8/125?
2/5
If 5 watermelons cost $25 dollars in a proportional relationship, what is the slope and what does it represent?
5, the cost of 1 watermelon.
-4 4/5 x (-2 1/6)
10 2/5
Solve
-7(3 + a) + 5(2a + 8) = 76
a = 19
Write 1/64 using a negative exponent.
8-2
Solve x2 = 12
x = + or - square root of 12
True or False.
When finding the slope of the line, it is the same between any two points.
True.