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anonymous
 one year ago
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring.
−b b2 − 4ac 2a
Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation:
2x2 + 7x + 3 = 0
anonymous
 one year ago
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 2x2 + 7x + 3 = 0

This Question is Closed

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1Let D = b^2 − 4ac This is known as the discriminant

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1If the discriminant D is a perfect square, then ax^2 + bx + c can be factored

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1Compare 2x^2 + 7x + 3 to ax^2 + bx + c

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1what are the values of 'a', 'b' and 'c'?

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1So D = b^2  4ac D = 7^2  4(2)(3) ... Plug in a = 2, b = 7 and c = 3 D = 49  24 D = 25

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1is 25 a perfect square?

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1so 2x^2 + 7x + 3 can be factored

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1then the ending value is 25

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1they just want the value of b^2  4ac

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1that's the final value of b^2  4ac

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1where a = 2, b = 7 and c = 3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is 25 the final answerr

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1yes thats the final value of b^2  4ac where a = 2, b = 7 and c = 3

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1final value : final value of b^2  4ac = 25 where :a = 2, b = 7 and c = 3
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