Answer:
B. Yes, their slopes are negative reciprocals.
Step-by-step explanation:
Let the number be x
11 times the number : 11x
seven subtracted from the number : 11x - 7
Answer is -238:
11x - 7 = -238
11x = -231
x = 21
11x + 238
9514 1404 393
Answer:
(c) y = 1.87x^2 -5.16x +10.54
Step-by-step explanation:
The attached graphing calculator output shows the best choice is the third one.
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<em>Additional comment</em>
The best fit is offered by a function of degree about 3.7. Even a cubic offers much better fit than this quadratic.