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aleksley [76]
4 years ago
5

Use the discrimant to determine the number of real roots of M(x)= -4x^2+x+1?

Mathematics
1 answer:
aliina [53]4 years ago
8 0

Answer:

two real different roots

Step-by-step explanation:

Consider polynomial function

M(x)=-4x^2+x+1.

The discriminant is

D=b^2-4ac=1^2-4\cdot (-4)\cdot 1=1+16=17.

Since D>0, the polynomial function M(x) has two real different roots.

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