find the value of discriminant for 2x-5x+7=0
Answers
Answered by
1
Answer:
-31
Step-by-step explanation:
d=b^2-4ac
=25-4*7*2
=25-56
=-31
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Answered by
1
Answer:
Your answer is -31.
Step-by-step explanation:
2x^2 - 5x + 7---> ax^2 + bx + c
a = 2, b= 5, c=7
D = b^2 - 4ac
= 5^2 - (4×2×7)
= 25 - 56
= -31
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