QBA2 Review- Day 1

Find -29 + 11.

(a)  

-5 - (-7) =

• -12

• 12

• -2

• 2

Tien works as a cashier at an electronics store. The table shows the first 3 transactions of the morning.

Determine the balance in the cash register after these transactions.

• $108

• $160

• $188

• $240

Evaluate a - b if a= -23 and b= 39.

• -16

• 16

• -62

• 62

At 6:00 A.M., the outside temperature was ─28˚F. By 4:00 P.M. that same day, it rose 48 degrees. What integer represents the temperature at 4:00 P.M.?

• 20

• -20

• 76

• -76

What is the additive inverse of 25?

(a)  

Which of the following pairs combine to create a sum of zero, if a=2 and b =-6?

• a and 2

• b and -6

• -a and a

• a and b

Between the time Ronald eats his dinner and the time he goes to bed, the outside temperature decreases 12°F. Before he gets up in the morning, the temperature decreases another 15°F. What integer represents the change in temperature from when Ronald eats dinner until he gets up the next morning?

(a)  

Find -4(-6).

(a)  

Find -2(-10)(-6)

(a)