TOPIC 2 TEST REVIEW

Vocabulary

100

This formula y₂-y₁ over x₂-x₁ is typically used in math.

What is slope?

200

The b in the formula y=mx+b refers to what specific point?

y-intercept

300

Perpendicular lines usually have this type of slope.

What is opposite reciprocal?

400

Parallel lines typically go in the same direction and this type of slope.

What is equal or congruent slopes?

500

This point this (3,0) is often classifed with a special name. 

What is x-intercept?

Point-slope

100

This is the format to write a linear equation in point-slope form.

y-y1=m(x-x1)

200

Given (-3,9) and slope of  one-third. The equation is written in point -slope looks like this.

y-9=1/3(x+3)

300

This scenerio can be represented as this point-slope equation. Jackson driving home from family vacation at average speed of 60 mph. After 3 hours , he traveled 180 miles. 

What is y-180=-60(x-3)

400

This is the equation in point-slope given the points (-2,3) and (6,7)

What is y-3=1/2 (x+2)?

500

A linear equation that is perpendicular to y= -6x-12 and passes through (-1,-4) in the format of point-slope.

What is y+4=1/6(x+1)?

Slope intercept

100

This is the format to write an equation in  slope-intercept form. 

y=mx+b

200

Given a slope of -5 and an intercept of 2. The equations in slope -intercept would be written as such.

What is  y=-5x+2?

300

Randomness 

What are instructions to get desmos to give you the equation from two points?

It has 5 steps.

1. click the plus sign

2. click table

3. type points

4. click the series of dots. 

5. choose linear

400

This slope-intercept equation that passes through point (6,3) and parallel to the graph y=  -3/4x +12 is written as this.

What is  y=4/3x-5?

500

A linear equation that is parallel to y= -6x-12 and passes through (-1,-4) in the format of slope-intercept

What is y =-6x-10?

Find the slope

100

 y=3x-5, shows a this number as the slope.

What is 3?

200

Given y-7= -1/2(x-3), the slope is identify at this rational number.

What is -1/2?

300

The slope between the two points (-9,7) and (2,3 ) ,  an be identify as this number.

What is -4/11?

400

Given 8x-4y=10, the slope is identified as this rational number.

What is 2?

500

A perpendicular slope for the equation  y= -9/2x-12/3 would be this rational number.

What is 2/9?

Conversion

100

Given the point (-3,9) and a slope of 1/3 . The equation in slope intercept will look like this. 

y=1/3x+10

200

The linear equation y=-3x-7 can be re-written in this standard form.

 What is 3x+y=-7?

300

The equation 5x+10y =20 in standard form is re-written in slope-intercept to create this.

y=-1/2x+2

400

The point-slope form of y-4=-6(x-1/2) can be written in slope-intercept to look like this.

What is -6x+7?

500

5x+2y=17 in standard form written in slope-intercept looks like this. Leave the improper fractions

y=-5/2x+17/2