MPM1D review chapter 3&4

Variables

100

An Independent Variable

What is the variable whose value you choose

200

discrete data

What are data that cannot be broken into smaller parts

300

Interpolate

What is finding data inside the given set of data

400

Extrapolation

What is extending the trend to find a value outside the given data-set

500

Trend

What is a correlation/connection between independent and dependent variables

Variations

100

Direct Variation

What is a variable that is a multiple of another

What is a line that passes through (0,0)

What is a line with a y-intercept of 0

200

Linear relation

What is a straight line

300

Partial Variation

What is a variation which is a multiple of the other variable PLUS another constant

What is a line that does not go through the origin

What is a line with a y-intercept that is not zero

400

Y-intercept

What is the value where a line intercepts (cuts through) the y-axis

What is the value where x=0

500

All you can say about y=x 

(3 things)

What is slope =1

What is a direct variation

What is y-intercept is (0,0)

Properties of Linear Relations

100

Rate of Change

What is the change of variable relative to the change of the other variable

What is the amount y goes up per x-unit

What is a slope

What is difference in x/difference in y

200

First difference

What is the difference between two y-variable in a table of values where the difference of x is constant

300

Constant First Difference

What is a function of the first degree

What is the slope

400

x-intercept

What is the value where a line intercepts (cuts through) the x-axis

What is the value where y=0

500

Slope

What is rise over run

What is y₂-y₁ divided by x₂-x₁

What is m in the equation y=mx+b

Linear and Non-Linear Relations

100

Curve

What is a set of data that follow a pattern in the form of a curved line

200

Variable, constant and coefficient

What is x or y or any other letter in math

What is a numerical number in an equation

What is the number affiliated with/attached to a variable

300

Solving for a variable

What is finding the value for a variable in an equation with one unknown

400

Non-linear relation

What is first difference is not constant

What is a graph that is not a straight line

What is a equation with a different degree than 1

What is a slope that is not constant between pairs of points

500

Steps to draw 3x+4y=36

What is y-intercept; Set x=0 and solve for y

What is x-intercept; set y=0 and solve for x

What is draw the y and x intercepts (0,b) and (x,0) and draw the line

Math Problems

100

3x+2=26

x=?

What is 8

200

x/8=5

x=?

What is 40

300

2+x/12=2x-8/6

x=?

What is 6

400

3(x-2)=-6(-x+8)

x=?

What is 14

500

Solve for x

(3+y)/x=-4

What is x=3+y/-4

What is x=-3/4 -1/4*y