Algebra

Question 1

Given a quadratic equation, how do you find how many solutions it has

Answer 1

B^2-4ac >0 = multiple solutions

=0 then 1 solution

Question 2

How do you get rid of a complex denominator with a square root? (Ex. 2- square root 3)

Answer 2

Multiply using the opposite sign

Question 3

Formula if things are directly proportional

Answer 3

X1 / y1 = x2/y2

Question 4

Formula if inversely proportional

Answer 4

X1y1=x2y2

Question 5

If x

Answer 5

If x,y positive then 1/x>1/y
If negative 1/x>1/y
Different signs 1/x

Question 6

Quadratic equation

Answer 6

-b +-(square root of) b^2-4ac /2a