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Mathematics

Grade10

Easy

Question

Find the number of solutions obtained to the quadratic equation using the discriminant.

0
1
2
Either 0 or 1

hint Hint:

Any equation of the form p (x) = 0, where p (x) is a polynomial of degree 2, is a quadratic equation

The correct answer is: 2

Step 1 of 1:
We have given an equation
$negative 4 x to the power of 2 end exponent plus 16 x minus 12 equals 0$
$b to the power of 2 end exponent minus 4 a c equals open parentheses negative 16 close parentheses to the power of 2 end exponent minus 4 blank cross times blank minus 4 blank cross times blank minus 12$
$equals 256 minus 192$
$equals 64 greater than 0$

The discriminant is the part of the quadratic formula found within the square root.

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