Solve.x2 + 2x - 63 = 0

A. x = 7, x = 9
B. x = -7, x = 9
C. x = -9, x = 7
D. x = -9, x = -7


Answer: C

Mathematics

You might also like to view...

Write the Ionic Greek numeral as a Hindu-Arabic numeral using the table below.???

A. 384 B. 482 C. 284 D. 483

Mathematics

Graph the equations.f(x) =  - 9

A.

B.

C.

D.

Mathematics

Write a slope-intercept equation for a line with the given characteristics.Passes through (9, -2) and (-5, -2)

A. y = -2 B. y = 3x - 35 C. y = 6x - 62 D. y = 2x - 26

Mathematics

Solve the problem.The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function y = 1100x + 2295, where y is in feet and x is the time in minutes since take-off. Find and interpret the slope and y-intercept of the linear equation.

A. m = 2295; The minutes since take-off increases 2295 for every foot of altitude.   The minutes that the plane takes to get to the altitude of the airport from sea level.
B. m = 1100; The altitude of the airplane increases 1100 feet every minute. y-intercept: 2295; The altitude of the airport where the airplane took-off is 2295 feet above sea level.
C. m = 2295; The altitude of the airplane increases 2295 feet every minute. y-intercept: 2295; The altitude of the airport where the airplane took-off is 1100 feet above sea level.
D. m = 1100; The minutes since take-off increases 1100 for every foot of altitude.  ; The minutes that the plane takes to get to the altitude of the airport from sea level.

Mathematics