Week 14

Week 14 - Wednesday’s Homework________________
I need to see ALL of your thinking, so show all work.
NO WORK = NO CREDIT
1.
1
Write ( 3 )3 in expanded form and then find
the product.
Name:________________________________Due by Friday
8. How many terms does the following expression
have? Circle each term.
14x + 8y + 24
9. 52 -
(18 − 2)
+5×4
8
2. 25y ÷ 5 · 3 + 9y
10. Find the prime factorization of 124.
3. Write an expression for the following situation: “To
calculate the area of a triangle, you find the
product of the base and height and then divide by
2.”
Write an algebraic expression for each phrase.
11. “A number n decreased by 13”
4. 8( x + 3y + 2z) + 4( x + 6y)
12. “13 decreased by n”
13. “Four times the quantity of x plus 3”
5. In a contest organized by a radio station prizes were
given. Every second caller to participate received a
pen, every fourth caller received a free movie ticket,
and every fifth caller was given a flash drive. Which
caller was the first to receive a pen and a free movie
ticket?
14. “Nine less than x squared.”
15. “The quantity of x plus seven, squared.”
16. “ The quantity of x minus 1, divided by eight.”
6. Use the distributive property to write an equivalent
expression in expanded form.
3(7c + 12)
7. Evan has double the amount of t-shirts that Marc has.
The equation that represents this situation is y=2x,
where y represents the total number of t-shirts Evan
has and x represents the number of t-shirts Marc has.
If Marc has 12 t-shirts, how many t-shirts does Evan
have?
17. A horse’s heart rate is about 38 beats per minute.
a. How many times will a horse’s heart beat in
3 minutes?
b. How many times will a horse’s heart beat in
10 minutes?
c.
How many times will a horse’s heart beat in
b minutes?