A parabola with vertex (1,-16) and y intercept (0,-15) crosses the x-axis in two places. One x-intercept is at (5,0). Find the other x-intercept. Separate values with a comma

Question

Danna Wolfe

Mathematics

9 March, 19:00

A parabola with vertex (1,-16) and y intercept (0,-15) crosses the x-axis in two places. One x-intercept is at (5,0). Find the other x-intercept. Separate values with a comma

+4

Answers (1)

Know the Answer?

Caitlin Bean · Answer 1

The is a rule (pattern) to this problem, the pattern is to add 15 (+15)

Example: * 0-15 * you add 15 to zero to get 15 because 15+0=15!

Just like that * 1-16 * you add 15+1 to get 16. So the rule is keep adding 15!