Name:___________________________________________Block:_____
Homework
Simplify. You must show work in order to receive credit. Write your answer in the space
provided.
2∙33 −2∙32
1.
5 − 2(7 − 8)2
−8+2
Answer : _________________
3. −4𝑥 2 + 8 when 𝑥 = −3
Answer :_________________________
5.
2.
√𝑦 + 2𝑥 when 𝑥 = 5 and 𝑦 = −2
3
Answer :_________________________
Answer :__________________
4.
3𝑚𝑛−2
𝑚+𝑛
when 𝑚 = 3 and 𝑛 = −2
Answer : _________________________
6. |−2𝑥 2 − 3𝑥| + 10 when 𝑥 = 5
Answer :_________________________
7. √3𝑏 2 + 6 when 𝑏 = −1
8. The height of a baseball hit into the air is
Answer :_________________________
Answer :____________________________
modeled by the equation ℎ = −10𝑡 2 + 60𝑡, where h
represents the height, in feet, and t represents the
number of seconds that have passed since the ball
was hit. What is the height of the ball after 4
seconds?
Write each verbal phrase as an algebraic expression.
9. Four divided by the sum of a number, 𝑥, and three.
Answer : ____________________________
10. Fifteen less than the cube of a number, 𝑦.
Answer: ____________________________
11. The quotient of the square root of 𝑦 and six.
Answer : ___________________________
12.
Last week, Katie worked on an art project for 𝑥 hours per day, Monday through Friday,
and 6 hours over the weekend. Which expression represents how much time Sarah spent
working on her homework?
A) 𝑥 + 6
B) 6(𝑥 + 5)
Answer : ____________________________
C) 5𝑥 + 6
D)
𝑥
5
+6