PLEASE HELP ASAP- solve the equation :
9x^2+64=0 . i need work to be shown for credit ....
1 answer:
In this quadratic equation a=9 b=0 c=64, you could use the Quadratic Formula: x = [-b +-sqrt (b^2 -4*a*c)] / 2*a x = 0 +- sqrt (0 -4*9*64) / 2*9 x = +- sqrt(-2,304) / 18 x = + 48 i / 18 x = -48 i /18 Where "i" is the square root of minus 1.
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800(1+7) ∧4 it will be $1048.63
Answer:
y = 6x + 7.
Step-by-step explanation:
Using the point-slope form of a line
y - y1 = m(x - x1)
m = 6, x1 = 6 and y1 = 43:
y - 43 = 6(x - 6)
y - 43 = 6x - 36
y = 6x - 36 + 43
y = 6x + 7.
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