Determine the discriminant and then use that value to determine the most efficient way of solving the quadratic equation. DO NOT SOLVE THE EQUATION.y(6 + y) = 2
A. 38; quadratic formula
B. 44; quadratic formula
C. 28; quadratic formula
D. 44; factoring
Answer: B
Mathematics
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Write an equation for the parabola.
A. y2 = -8x B. x2 = -8y C. x2 = 8y D. y2 = 8x
Mathematics
Solve the problem.Four years ago, you invested $1000 in an account that returns 5.7% annually. The table shows the value of your investment at the end of each year.
Do these data represent a linear function?
A. No B. Yes
Mathematics
Find the value of the expression using the given values.
?x = 5, y = 7
A. 43 B. 4 C. 7 D. 41
Mathematics
Find an equation for the parabola described.Vertex at (4, 6); focus at (7, 6)
A. x = 
t2 + 4, y = t + 6
B. x = 
t2 - 4, y = t - 6
C. x = 
t2 + 4, y = t + 6
D. x = - 
t2 + 4, y = t + 6
Mathematics