Word Problems
A bird is 12 feet above water. It dives 15 feet down. What is its new elevation?
-3
3/4 + (-1/2)
1/4
True or False:
(-2)^3
results in a positive number
false
Is -5(3 + 2) equivalent to -15 - 10?
Yes
A climber starts at -50 ft and climbs 120 ft up. What is their total vertical distance traveled?
180 feet
2.5 * (-1/5)
-1/2
Find the error: 10 - (-4) = 6. What should the answer be?
14
Which is equivalent to -2(x - 4)?
A) -2x - 8
or
B) -2x + 8
B
A scuba diver is at -18.5 ft and descends another 4.25 ft. What is their final position?
-22.75
-2/3div4/9
-18/12
Shawn wrote -4(0.5) = 2. What was his mistake?
Should be -2
Select all equivalent to -12:
A) -3(4),
B) 2(-6),
C) -24 divided by (-2).
A and B
A plane drops 1,500 ft in 5 minutes. Write and solve an expression to represent the change in elevation per minute.
300
1 1/2- 3.75
-2.25
Solve correctly:
(-4(0.2) +1/5) div 2
-0.3
Simplify:
-8 (2- 1/4)
-16 + 2 = -14
A plant height decreases
12 1/2
feet over 10 seconds. What is the change after 40 seconds?
50 feet
1/2 ((-1/3)^2/(1/9))
1/2
Explain why
(-1)^50
is positive but
(-1)^51
is negative
50 is even and 51 is odd