AnswersPRICE-FL-1200340-Algebra 2 Honors B GPA 2627Solving Linear Systems by Substitution

Solving Linear Systems by Substitution — Cumulative exam Answers

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A catering business offers two sizes of baked ziti. Its small ziti dish uses 1 cup of sauce and cups of cheese. Its large ziti dish uses 2 cups of sauce and 3 cups of cheese. The business has 100 cups of sauce and 400 cups of cheese on hand. It makes $6 profit on their small dishes and $5 profit on their large dishes. It wants to maximize the profit from selling the two sizes of ziti. Let x represent the number of small dishes and y represent the number of large dishes. What are the constraints for the problem?

Question illustration
A
mc022-2.jpg
Option A
B
mc022-4.jpg
Option B
C
mc022-6.jpg
Option C
D
mc022-8.jpg
Option D
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A store sells the basic model of a phone for $60 and the upgraded model for $200. It costs the store $10 to buy each basic model and $50 to buy each upgraded model from the phone company. On Tuesday, the store has $1,800 in sales for these two models, and it paid the phone company $400 to buy these phones. How many upgraded models did the store sell on Tuesday?

A
6 upgraded phones
B
10 upgraded phones
C
15 upgraded phones
D
42 upgraded phones
23

What is the solution to the following system of equations?

Question illustration
A
mc007-2.jpg
Option A
B
mc007-3.jpg
Option B
C
(1, –5)
D
(2, 1)
24

What is the value of x in the solution to the system of linear equations?

Question illustration
A
–7
B
–3
C
1
D
5
25

Which graph represents the solution of x2 + 9y2 ≤ 81 and y2 + 2 < x?

A
On a coordinate plane, an ellipse has center (0, 0) and goes through (3, 0), (0, negative 9), (negative 3, 0), and (0, 9). A parabola opens to the right and goes through (6, 2), has vertex (2, 0), and goes through (6, negative 2). Everything inside of the ellipse and outside of the parabola is shaded.
Option A
B
On a coordinate plane, an ellipse has center (0, 0) and goes through (3, 0), (0, negative 9), (negative 3, 0), and (0, 9). A parabola opens to the right and goes through (6, 2), has vertex (2, 0), and goes through (6, negative 2). Everything inside of the ellipse and inside of the parabola is shaded.
Option B
C
On a coordinate plane, an ellipse has center (0, 0) and goes through (9, 0), (0, negative 3), (negative 9, 0) and (0, 3). A parabola opens to the right and goes through (6, 2), has vertex (2, 0), and goes through (6, negative 2). Everything inside of the ellipse and inside of the parabola is shaded.
Option C
D
On a coordinate plane, an ellipse has center (0, 0) and goes through (9, 0), (0, negative 3), (negative 9, 0) and (0, 3). A parabola opens to the right and goes through (6, 2), has vertex (2, 0), and goes through (6, negative 2). Everything inside of the ellipse and outside of the parabola is shaded.
Option D

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