Using the discriminant, determine the number of real solutions. -2x2+x-28 = 0
O A. no real solutions
O B. one real solution
O C. two real solutions

A

Step-by-step explanation:

For a quadratic equation in standard form:

The discriminant, symoblized as Δ, is given by:

If:

We have the equation:

Thus:

Substituting them for our discriminant:

Evaluate:

Since our discriminant is negative, there is no real solutions.

Hence, our answer is A.

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

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y=1/4x-4

step-by-step explanation: