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The graph of y=-5x^2 + 9 passes through (1,2a) in the standard (x,y) coordinate plane what is the value of a? .

The graph of y=-5x^2 + 9 passes through (1,2a) in the standard (x,y) coordinate plane what is the value of a? .
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The graph of y=-5x^2 + 9 passes through (1,2a) in the standard (x,y) coordinate plane what is the value of a? .

User Erdomester
by
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1 Answer

4 votes
first you plug everything in to get
2a=-5 (1)^2+9 you do the powers and multiply
2a=-5 (1)+9
2a=-5+9
2a=4
a=2
User NoobieNoob
by
8.6k points
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