Angle relationships with parallel lines
2 answers:
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Your parabola should look like this image. The vertex is at (-1, 9), and you can use any of the x-intercepts (-4, 0) & (2, 0) or the y-intercept (0, 8) as a second point.
I solved 13-18
13. -20
14. 38
15. 16/21
16. 70
17. 12
18. 25
13. -20
14. 38
15. 16/21
16. 70
17. 12
18. 25