Write in simplest form. 2/9 + ( -1/7 )
5/63
Find the product : -3/5(-1.5)
0.9
A weather balloon ascended from an elevation of 18 feet below sea level to an elevation of 19.5 feet above sea level. What distance did the weather balloon rise?
37.5
The square root of 64
8
Write your answer using imaginary numbers:
Square root of -25
5i
5 1/4 - 2 3/4
2 1/2
Find the quotient
5/12 / (-8/9)
-15/32
Sebastian played a trivia game. Each correct answer is worth 2.25 points and each incorrect answer is worth -0.5 point. What was Sebastian’s score if he got 15 correct and 15 incorrect?
26.25
The square root of 100
10
(2 − 3i) + (5 + 7i)
7+4i
-4.4 - (-1 1/2)
-2.9
Find the product: -7(-2)
14
The temperature at 4:00 PM was 2.5 degrees. It dropped 0.75 degrees each hour for the next 4 hours. What was the temperature at 8:00PM?
-0.5 degrees
The cube root of 8
2
Write your answer using imaginary numbers
the square root of -16
4i
-6 - (-4)
-2
While playing a board game, unlucky Lawrence had to move back 2 spaces for 4 turns in a row. What integer represents his change in position?
-8
The temperature at 10:00AM was -3 degrees and increased 2.25 each hour for the next 5 hours. What was the temperature at 3:00PM?
8.25 degrees
The cube root of 216
6
7i(3-i)
21i+7
Lucian’s football team lost 2 yards on a running play. Then they received a 5-yard penalty. What is the team’s total change in yards?
-7
Are these equivalent?
-(18/4) -18/4 18/-4
Yes, they all equal -4.5
Water drains steadily out of lock to lower a boat from one level to another. What is the boat’s change in position each minute if the boat lowers 3 feet and takes 4.5 minutes to lower the boat?
2/3 feet
20
Calculate the product, simplify as much as possible:
(7 + 4i)(3 - i)
25+5i