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3 years ago

10

Use a graphing calculator or online application to find the solutions to x 2 - 9 = to the nearest tenth. The solution is approxi

mately _____.

2 answers:

Dmitry [639]3 years ago

8 0

The solution is approximately -3 and 3

drek231 [11]3 years ago

7 0

X^2-9=0 add 9 to both sides

x^2=9 take the square root of both sides

x=±3

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The answer is C. X=-4

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Step-by-step explanation:

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Solve the quadratic equation by factoring. 9x^2+24x+20=4

const2013 [10]

D. -4/3

Let's solve your equation step-by-step.

9x2+24x+20=4

Step 1: Subtract 4 from both sides.

9x2+24x+20−4=4−4

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Step 2: Factor left side of equation.

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Step 3: Set factors equal to 0.

3x+4=0 or 3x+4=0

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