SOLUTION: 2X^2 -7X=9 THIS IS AN EXAMPLE OF QUADRATIC BY COMPLETING THE SQUARE I THEN GET X^2 - 7/2X = 9/2 BECAUSE I DIVIDE BY 2 TO GET X^2

SOLUTION: 2X^2 -7X=9 THIS IS AN EXAMPLE OF QUADRATIC BY COMPLETING THE SQUARE I THEN GET X^2 - 7/2X = 9/2 BECAUSE I DIVIDE BY 2 TO GET X^2 - 7/2X + 49/16 = 9/2+ 49/16 TO GET (X

Question 227096: 2X^2 -7X=9 THIS IS AN EXAMPLE OF QUADRATIC BY COMPLETING THE SQUARE

I THEN GET X^2 - 7/2X = 9/2 BECAUSE I DIVIDE BY 2
TO GET X^2 - 7/2X + 49/16 = 9/2+ 49/16

TO GET (X - 7/4)^2 =121/16 WHY DOES (X-7/4)^2 = 121/16 I KNOW THAT 4 ^2 EQUALS 16 BUT HOW DID MY BOOK GET THE 121

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

RELATED QUESTIONS
solve by completing the square 9X^2 +18x-5 now i divide 9 into 9x^2 , 18x and -5 (answered by ankor@dixie-net.com)

solve by completing the square 3/8x^2 = 1/8 - x Get 0 on one side: 3/8x^2 + x - 1/8 = 0 (answered by Alan3354,Earlsdon,richwmiller)

solve by completing the square... (answered by nerdybill)

I need help with this problem please solve by completing the square x^2-9/2x-1/2=0... (answered by Alan3354)

I don't understand these Please help Thanks, Solve by completing the square 1. x^2 -... (answered by KY)

Solve the following equations by completing the square. x^2+8x+7=-8 2x^2=7x-15=0... (answered by pvaka)

Getting lost in completing the square for 2x^2+5x+11=0 I am able to get to 2x^2+5x=-11... (answered by stanbon)

Change the rational equation to quadratic form and solve it by the most efficient method. (answered by jim_thompson5910)

I need a brush-up on completing the square. I am working with equations for ellipses. I... (answered by Edwin McCravy)