Answer:
-3, 8
Step-by-step explanation:
-x² + 5x + 24 = 0
-x² + 8x - 3x + 24 = 0
-x(x - 8) - 3(x - 8) = 0
(-x - 3)(x - 8) = 0
x = -3 , 8
As x increases from 9 to 12 (a change of 3), y increases from -2 to 0 (a change of 2). Thus, the slope of this line is 2/3.
Subbing this info and the coordinates of one of the points into y = mx + b, we get:
-2 = (2/3)(9) + b. Solving for b: b = -2 -18/3 = -8. Then the equation of this line is:
y = (2/3)x - 8.
Check by subst.: Does (12,0) satisfy this equation? 0 = (2/3)(12) - 8? Yes.
C) is correct x=15
2x-4=26
2x=30
X=15
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Thus the correct answer is
the last option .
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Answer:
35
Step-by-step explanation:
- Negative × negative = Positive
- -7 × -5 = 35
I hope this helps!