Number Systems
This is the product of −2.5 and 4.
What is −10?
This is 5(2x − 3) after you use the distributive property.
What is 10x − 15?
How many degrees are in a right angle?
What is 90°
This is −1⅕ − 2⅗.
What is −3⅘? (−6/5 − 13/5 = −19/5)
This is 15a + 35 factored using the greatest common factor.
What is 5(3a + 7)?
What is the probability of rolling an even number on a standard six-sided die?
3/6 or 1/2
Death Valley's lowest point is at −282 feet. Mount Whitney's peak is at 14,505 feet. This is the difference in elevation.
What is 14,787 feet? (14,505 − (−282))
This is (6x + 5) − (2x − 7) in simplest form.
What is 4x + 12?
What is 25% written as a fraction in simplest form?
1/4
Ms. Diaz's account shows −$42.75. She deposits $15 a week for 3 weeks. This is her new balance.
What is $2.25?
This is 5x − 2 + 3(x + 4) in simplest form.
What is 8x + 10?
A number has exactly two factors: 1 and itself. What type of number is it?
Prime number.