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Graphical Inequalities 2

June 26, 2017

Workout Answers

Question 1(a)

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Question 1(b)

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Question 1(c)

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Question 1(d)

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Question 1(e)

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Question 1(f)

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Question 1(g)

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Question 1(h)

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Question 1(i)

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Question 2(a)

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Question 2(b)

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Question 2(c)

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Question 2(d)

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Question 2(e)

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Question 2(f)

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Question 2(g)

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Question 2(h)

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Question 2(i)

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Question 2(j)

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Question 3

(a)  y < x + 1

(b)  y ≥ x − 1

(c)   y > 2x

(d)   y ≤ 2x + 4

(e)  y < −3x + 6

(f)   y > 4x + 1

Question 4:

(a)

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(b)

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(c)

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(d)

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(e)

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(f)

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Question 5:

(a)   x > 2,   y ≤ 4,   y ≥ x − 1

(b)   y ≥ −1,   y ≤ −2x + 6,   y < 4x

(c)   y < 6,  x ≤ 2,  y ≥ −6x + 6

(d)   y < 8,  y > 4x − 2,   y < 10x + 10

(e)   y ≤ 4,  x ≤ 1,  y > − x + 2,  y ≤ 2x + 5

(f)   y ≥ x + 2,   y < 4.5x + 2.5,   y ≤ −0.5x + 5

Apply

Question 1:    Taylor has selected the wrong region

Question 2:    The line should be dashed

Question 3:     Region A

Question 4:

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Question 5:   (a)   yes    (b)   no

(c)   £9800 with 20 economy and 40 first class

Question 6:

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