Question 8 (1 point) Which unit is larger? A kilogram or a poun kilogram pound

Find the value of the discriminant and identify the nature of the roots, a. \( D=4 \), the roots are real numbers and are equal. b. \( D=4 \), the roots are irrational numbers and are not equal. c. \( D=4 \), the roots are rational numbers but are not equal. d. \( D=4 \), the equation has no real roots.

The coefficient of \( x \) in \( -3 x y^{2} \)

Find the equation (in terms of \( x \) ) of the line through the points \( (-4,-4) \) and \( (1,6) \) \( y=\square \)

Does the equation \( 9 x-3 y=9 \) represent \( y \) as a function of \( x \) ?

Determine the difference quotient \( \frac{f(x+h)-f(x)}{h} \) \( f(x)=2 x^{2}-3 \)