algebra
posted by Susan .
using quadratic formula 3y2=6+7y
3 y^2 7y  6 = 0
When using the quadratic formaul to find y, a = 3, b = 7 and c = 6
y = [b +/ sqrt (b^2 4ac)]/2a
= {7 +/ sqrt (49 + 72)}/6
= {7 +/ 11)/6
= +3 or 2/3
Respond to this Question
Similar Questions

math,algebra
can someone help me out factor out this 0=16t^2122t+180 i have so far this but the last one i am not sure 8(2t^214t + ? 
QUADRATIC EQUATION
r^2+8r=48 First bring the 48 to the other side of the equation r^2+8r48=0 Now you can use the quadratic formula. x=b+sqrt(b^2(4ac)) ¯¯¯¯¯¯¯2a¯¯¯¯¯¯¯¯¯ So... a=1 b=8 c=48 Now just plug the numbers into the quadratic … 
Math
Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^25x=3 2. 3x^22x+1=0 Rearrange the equation in quadratic formula form. 2x^2 5x 3 = 0 Then use the formula. Tell me what you don't understand about … 
Math
Find the exact solution to 6x^2+1=8x by using the Quadratic Formula. A)4+(sqrt10) B)4+(sqrt22)/6 C)2+2(sqrt10)/3 D)4+(sqrt10)/6 I chose C x=b+(sqrtb^24ac)/2a x=8+(sqrt8^24(6)(1))/2(6) x=8+(sqrt6424)/12 x=8+(sqrt40)/12 … 
Algebra II
Find the exact solutions to 6x^2+x+4=0 by using the quadratic formula. x=b+sqrtb^24ac/2a 1+sqrt1^24(6)(4)/2(6) 1+sqrt95/12 195/12 96/12 x= 8 1+95/12 94/12= 7.8333.. [8, 7.83](answer) 
Algebra
Quadratic Formula Using +/ for plus or minus Using \/ radical sign *****************_________ Formula: b +/ \/b^24ac ********____________________ *****************2a Equation: x^2  25 = 0 Books says answer is 5 and 5. I can get … 
math
15t^2+7t=2 The quadratic formula tells you that the solutions are: t = [b +/sqrt (b^2  4ac]/ (2a) In this case, a = 15, b = 7 and c = 2 solve the equation for t. What values for t will you get when you substitute the values you … 
Algebra
1. Parent Quadratic Equation 2. Coordinate of the vertex 3. quadratic formula A. b/2a B. y = 2x C.b^2  4ac D. y = a(x  h)^2 + k E. x = b +/ (square root of) b^2 4ac/2a I think the answers are: 1. B 2. C 3. E Are these correct? 
math help how do i do this
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following … 
math help plsss plsss
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following …