How many real-number solutions does the equation have?

Question

0 equals 2 x squared minus 20 x plus 50
A. two solutions
B. one solution
C. no solutions
D. infinitely many solutions

Answer 1

C. no solutions

Answer 2

Graph the set of points. Which model is most appropriate for the set?

(negative 6, 0), (negative 4, 2), (negative 3, 3), (2, 8)
A. a coordinate plane with points plotted that form a linear graph with positive slope; points are located in the first, second, and third quadrants.
B. a coordinate plane with points plotted that form a quadratic graph; points are located in the first, second, and third quadrants.
C. a coordinate plane with points plotted that form a quadratic graph; points are located in the first, fourth, and third quadrants.
D. a coordinate plane with points plotted that form a linear graph with positive slope; points are located in the first, fourth, and third quadrants.

Answer 3

D. a coordinate plane with points plotted that form a linear graph with positive slope; points are located in the first, fourth, and third quadrants.

Answer 4

What type of equation will best fit the data below?

A scatter plot is shown. The points are in the shape of an upside down upper case U.
A. quadratic
B. linear
C. exponential

Answer 5

A. quadratic