Algebra 2 1.2 - 1.4

Question 1

The ________ is the most basic function in a family of functions.

Answer 1

parent function

Question 2

A ___________ changes the size, shape, position, or orientation of a graph.

Answer 2

transformation

Question 3

A __________ is a transformation that shifts a graph horizontally and/or vertically, but does not change its size.

Answer 3

translation

Question 4

A _____________ is a transformation that flips a graph over a line or axis.

Answer 4

reflection

Question 5

A __________ is a transformation that multiplies all the y-coordinates of a function by a factor greater than one.

Answer 5

vertical stretch

Question 6

A ___________ is a transformation that multiples all the y-coordinates of a function by a factor greater than zero but less than one.

Answer 6

vertical shrink

Question 7

The __________ is the line that lies as close as possible to a set of data points.

Answer 7

line of best fit

Question 8

The ______________, denoted by r, is a number from -1 to 1 that measures how well a line fits a set of data points. WHen r is near 1, the points lie close to the line with a positive slope. When r is near -1, the points lie close to a line with a negative slope. When r is near zero, the points do not lie close to any line.

Answer 8

correlation coefficient

Question 9

For (x1,y1) and (x2,y2); m=y2-y1/x2-x1

Answer 9

Slope Formula

Question 10

y=mx+b; m=slope b=y-intercept

Answer 10

Slope-Intercept Form

Question 11

Given slope m and a point (x1-y1): y-y1=m(x-x1)

Answer 11

Point-Slope Form