Explain how to find 40 x 50 using mental math
2 answers:
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To find the slope(m), use the slope formula:
And plug in the two points on the line
(-3, 7) = (x₁, y₁)
(5, -1) = (x₂, y₂)
(two negative signs cancel each other out and become positive)
Simplify the fraction
m = -1
Answer: 16. C 17. A 18. A
19 You got this! There is only one answer with the correct radius squared!
Step-by-step explanation:
For the coordinates of the center, flip the signs in the parentheses.
For the "=output": in the equation, square the given radius.
Center: (-14.4) the signs in (x + 14)²+(y - 4)² are the opposites.
Radius given: 2 Square it to get the =4
