5-7. See graphs below: (1, 2) (−3, 2) 5-8. See below: −6 −2 − undefined = 2.25 x 5-9. 5-10. See below: x y7 64x6 5-11. See below: Sample answers: (3, 0) and (3, 1); All points on this line have 3 as an = 3 xcoordinate. x = y −1 = 0 x
5-7. See graphs below: (1, 2) (−3, 2) 5-8. See below: −6 −2 − undefined x = 2.25 5-9. 5-10. See below: x y7 64x6 5-11. See below: Sample answers: (3, 0) and (3, 1); All points on this line have 3 as an xcoordinate. x = 3 y = −1 x = 0
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