Solve by the quadratic formula. If there are no real roots, say so.x2 = 9 - 4x

A. -1 ± 
B. 2 + 
C. -2 ± 2
D. -2 ± 


Answer: D

Mathematics

You might also like to view...

Find the domain and range for the indicated function.f(x) = 5,g(x) = 5 + ;g/f

A. D: x ? 0 R: y ? 5 B. D: x ? -5 R: y ? 0 C. D: x ? 0 R: y ? 1 D. D: x ? 0 R: y ? 1

Mathematics

Solve problems using a calculator. +  - 

A. 45 B. 41 C. 67 D. 51

Mathematics

Translate the word statement into a percent proportion. Do not solve.What percent of 96 is 19?

A.  = 
B.  = 
C.  = 
D.  =  

Mathematics

Solve the inequality.-30x + 20 ? -5(5x + 3)

A. {x }

B. {x }

C. {x }

D. {x }

Mathematics