Chapter 3

Question 0

Linear equation

Answer 0

An equation that models a linear function.

Question 1

Direct variation

Answer 1

A relationship that can be represented by a function in the form of y=kx where k=0

Question 2

Parallel lines

Answer 2

Lines in the same plane that never intersect.

Question 3

Perpendicular lines

Answer 3

Lines that intersect to form right angles.

Question 4

Point-slope form

Answer 4

A nonvertical line with slope m and through point (x1, y1) is y-y1=m(x-x1).

Question 5

Rate of change

Answer 5

Shows the relationship between two changing quantities.

Question 6

Slope

Answer 6

Vertical change over horizontal change= rise over run

Question 7

Slope intercept form

Answer 7

Y= x+b

Question 8

Standard form

Answer 8

Ax+by=c where a, b and c are real numbers and a and b are

Question 9

X-intercept

Answer 9

Is the x-cooridante of a point where a graph crosses the x-axis

Question 10

Y-intercept

Answer 10

Of a graph is the y-coordinate of a point where the graph crosses the x-axis