Determine the degree of the polynomial.-6y4 + 2y3 - 3y2 + y - 12
A. -12
B. 10
C. -6
D. 4
Answer: D
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Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.2x2 = -2x - 5
A. Two different real-number solutions B. Two different imaginary-number solutions C. One real solution
Find the equation of the graph. Write the equation in slope-intercept form.
A. y = 
x + 3
B. y = - 
x + 4
C. y = - 
x - 6
D. y = 
x - 2
Write a formula for the function described.Surveyors use the "link" as a unit of measure. Function l computes the number of links in x inches. (Hint: there are 7.92 inches in one link.)
A. l(x) = 7.92 - x
B. l(x) = 
C. l(x) = 7.92x
D. l(x) = 
Use an analytic method to solve the equation.
= 2
A. 
B. 
C. 
D. ?