Answer:


Step-by-step explanation:
Given the equation

solving with the quadratic formula





separating the solutions

solving



also solving





Step-by-step explanation:
The slope-intercept form of an equation of a line:

- slope
- y-intercept

19) and 20) you have in other your question.
Answer:
f(-5) = -43
Step-by-step explanation:
Step 1: Define
f(x) = -2x² + 7
f(-5) is x = -5
Step 2: Substitute and Evaluate
f(-5) = -2(-5)² + 7
f(-5) = -2(25) + 7
f(-5) = -50 + 7
f(-5) = -43
Answer:
1. 4
Step-by-step explanation:
24 - 20, if you add the the square then the rectangle, then subtract