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Brums [2.3K]
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 _____.
Mathematics
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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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.

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Hope This helps

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