Formulas

Question 1

m=y2-y1/x2-x1

Answer 1

slope

Question 2

y=mx+b

Answer 2

slope-intercept form

Question 3

Ax+By=C

Answer 3

standard form

Question 4

y-y1=m(x-x1)

Answer 4

point slope form

Question 5

a^2-b^2=(a+b)(a-b)

Answer 5

difference of squares

Question 6

a^3+b^3=(a+b)(a^2-ab+b^2)

Answer 6

sum of cubes

Question 7

a^3-b^3=(a-b)(a^2+ab+b^2)

Answer 7

difference of cubes

Question 8

(a+b)^2=a^2-2ab+b^2

Answer 8

square of binomial

Question 9

(a-b)^2=a^2-2ab+b^2

Answer 9

square of binomial

Question 10

d=(square root) (x2-x1)^2+(y2-y1)^2

Answer 10

distance formula

Question 11

(x1+x2/2,y1+y2/2)

Answer 11

midpoint

Question 12

(x-h)^2+(y-k)^2=r^2

Answer 12

equation of a circle

Question 13

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

Answer 13

quadratic formula

Question 14

I=Prt

Answer 14

base formula

Question 15

A=P+Prt

Answer 15

interest formula

Question 16

a^2+b^2=c^2

Answer 16

Pythagorean theorem

Question 17

f(x+h)-f(x)/h

Answer 17

difference quotient

Question 18

d=rt

Answer 18

distance problem formula

Question 19

f(x)=a(x-h)^2+k

Answer 19

quadratic function

Question 20

(-b/2a,f(-b/2a))

Answer 20

coordinate of the vertex

Question 21

a^ma^n=a^m+n

Answer 21

product law of exponents

Question 22

a^m/a^n=a^m-n

Answer 22

quotient law of exponents

Question 23

(a^m)^n=a^mxn

Answer 23

power law of exponents

Question 24

(ab)^m=a^mb^m

Answer 24

power of product rule

Question 25

1/a^n=a^-n

Answer 25

negative exponent rule

Question 26

I=(square root) -1

Answer 26

imaginary numbers

Question 27

I^2=-1

Answer 27

powers of i