Answer:
No real roots
Step-by-step explanation:
Given
Required
The number of solution
The discriminant (d) for is:
So, we have:
<em>Since </em><em>, then the equation has no real roots</em>
B has two pre-images of -7 so it is not a function
30.9 cm^2
A=(3*2.6)/2+3*(3*6)/2=3.9+27=30.9 cm^2
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