Integer Operations
3+(−15)
-12
Which expression is equivalent to (−1 − 2)³ −7×2?
A. −3² × 2 B. -4²-5x5
C. (3 − 1) ² +4×3 D. 1 − 3³ + 12
B. -4²-5x5
The table shows four account transactions. Find the account balance after the transactions when the account started with a balance of $95.
deposit $15 withdrawal −$65
deposit $40 withdrawal -$15
$70
-11(-4)
44
−5 − 7
-12
Evaluate the expression.
8 − (−3) ²
-1
The table shows the heights that four people parachute from an airplane. What is the range of the heights?
Height (meters)
3653 3755
3782 3862
209m
-56/(-7)
8
−8+(−23)
-31
Evaluate the Expression
27 − 5(22 − 4) ÷ (−3) ²
17
Mercury travels about 108,000 kilometers per hour as it revolves around the Sun. How far does Mercury travel in 15 seconds?
450km
65/(-5)
-13
14 − (−7)
21
2+(-8)
-6
Teams in an adventure race earn 3 points for each flag they find. Each team loses 4 points for each minute that they finish after the fastest time. The table shows results of a race. Can Team E finish with the second-best time and have the third most points?
Players Flags Time(minutes)
a 25 91
b 30 101
c 30 94
d 18 89
e
yes
-5+7
2
7x(-9)
-63
8-(-5)
13
A gym charges a $30 fee per month. You can also choose to purchase a yearly plan for $300 instead. Write a numerical expression that represents the amount you save per year when you buy the yearly plan. How much do you save per month?
expression for savings per year: 30X12-300: savings of $5/month
2+(-8)
-6