Have you ever
made a snack
mix? How did you
decide how much
of each ingredient
to use?
Ounces of peanuts
5-5 Solve It!
An athlete wants to make a snack mix of peanuts
and cashews that will contain a certain amount of
protein. Cashews have 4 g of protein per ounce,
and peanuts have 7 g of protein per ounce.
How many grams of protein will the athlete’s mix
contain? What do the points (7, 0) and (0, 4)
represent? Explain.
Snack Mix
4
3
2
1
0
0 1 2 3 4 5 6 7
Ounces of cashews
5-5 Lesson Quiz
1. What are the x- and y-intercepts of 23x 1 5y 5 15?
2. What is the graph of 5x 2 2y 5 20?
3. What is the graph of x 5 1?
2
4. Do you UNDERSTAND? What is y 5 29x 1 3 in standard
form using integers?
Answers
Solve It!
Lesson Quiz
28 g; (7, 0) represents a mix
with 7 ounces of cashews and
0320_hsm11a1se_0505.indd
320
no peanuts;
(0, 4) represents a
mix with no cashews and
4 ounces of peanuts.
Explanations may vary.
1. 25, 3
2.
2
O
2
y
3.
4
y
2
x
2
6
8
x
4
2
4
O
2
4
6
8
4. 2x 1 9y 5 27
Prentice Hall Algebra 1 • Solve It/Lesson Quiz on Transparencies
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