Book
Maths Puzzle
Algebra
(x-2)(x-5) = 2
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Book Other Question
Lucy tosses a ball up to Carry, waiting at a third-story window, with an initial velocity of 30 feet per second. She releases the ball from a height of 6 feet. The equation h=-16t^2+30t+6 represents the height, h, of the ball after t seconds. If the ball must reach a height of 25 feet for Carry to catch it, does the ball reach Carry? Explain.
(Hint: Substitute 25 for h and use the discriminant.)
I can't find an example in my book or any where. Please help. Thank you.
x^2 (x^2) + 7x +6=0
I am supposed to find the Quadratic. Quadratic what?