Algebra 1 review

Question 1

Point-slop form

Answer 1

y-y1=m(x-x1)

Question 2

Slope-intercept form

Answer 2

y=mx+b

Question 3

Standard form

Answer 3

ax+by=c

Question 4

Arithmetic sequence

Answer 4

a_n=a_1+d(n-1)

Question 5

Geometric sequence

Answer 5

a_n=a_1(r^n-1)

Question 6

Exponential Functions

Answer 6

f(x)=ab^x

Question 7

Exponential Function Growth

Answer 7

Add 100 to the percent

Question 8

Exponential Function decay

Answer 8

subtract the percent from 100

Question 9

quadratic Function

Answer 9

y=x^2 U shaped

Question 10

Quadratic Formula

Answer 10

x=-b+- |b^2-4ac/2a

Question 11

line of symmetry

Answer 11

x= -b/2a

Question 12

vertex form(quadratic)

Answer 12

y=a(x-h)^2+k
-(h,K) vertex of parabola
-h=horizontal shift
-k=vertical shift

Question 13

standard form (quadratic)

Answer 13

F(x)=ax^2+bx+c
a=vertical stretch/compression
c=y-intercept

Question 14

linear regression

Answer 14

y_1~mx_1+b

Question 15

Quadratic regression

Answer 15

y_1~ax^2_1+bx_1+c