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yKpoI14uk [10]
3 years ago
8

If Y=2X^2-4X-5, what is the value of Y when X = -3?

Mathematics
1 answer:
Deffense [45]3 years ago
8 0
Y = 2x² - 4x - 5

substitute  x = -3 to the equation

y = 2 · (-3)² - 4 · (-3) - 5 = 2 · 9 + 12 - 5 = 18 + 12 - 5 = 30 - 5 = 25


Answer: y = 25
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