Question

1. Solve 5x^2 = –45x.
2. Solve x^2 = 14x – 49.
3. Solve x^2 + 18 = –9x.
4. Solve 4x^2 = 12x + 40.
5. In the following equation, identify the x-intercepts in the graph y = 3x^2 + 19x – 40.
6.The dimensions of Eric’s pool are 9 feet by 7 feet. He wants to build a walkway surrounding the pool so that the square footage of the walkway and pool is 143 square feet. How wide is one side of the walkway?
7.Provide a unique real world example where quadratic equations might be used

Answer 1

@SolomonZelman

Answer 2

@Objection

Answer 3

@britneyspears

Answer 4

@SiennaSurfer