Question

using quadratic formula...
The rate of reduction in taxes over a 3-year period in California is given by the equation
12r²+5r-2=0 find r
We got .40 is that right?

Answer 1

Not quite.

Answer 2

\[\frac{ -(5) \pm \sqrt{(5)^{2}-4(12)(-2)} }{ 2(12) }\]

Answer 3

What are the two solutions you obtain?

Answer 4

the equation you have is what we have so I just have to figure out where we messed up

Answer 5

try to solve the square root part first.

Answer 6

.25 or -.66

Answer 7

so .25?

Answer 8

yup!

Answer 9

thanks!!

Answer 10

No problem!