What is the input of 3x-7 when it equals -1
1 answer:
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Answer:
Here, , hence the quadratic equation has two distinct real roots.
Step-by-step explanation:
Given quadratic equation is .
Let, the quadratic equation is [where,
are the constants]
The Discriminant
Case :
, if the discriminant is greater than
, it means the quadratic equation has two real distinct roots.
Case :
, if the discriminant is less than
, it means the quadratic equation has no real roots.
Case :
, if the discriminants is equal to
, it means the quadratic equation has two real identical roots.
Now,
we have , where
∴
Here, , hence the quadratic equation has two distinct real roots.
1. Divide 135 by 8 which is equal to 16
2. Multiply 16 ×8 = 128
3. Subtract 135 - 128 =7
The seven represent the numerator so it would be 7/8.
The finally answer would be
2. Multiply 16 ×8 = 128
3. Subtract 135 - 128 =7
The seven represent the numerator so it would be 7/8.
The finally answer would be