Alg 2 Unit 1 Review Game

Substitution

100

Fill in the blank. In order to use the substitution method correctly, you need a(n) ________ variable.

isolated

200

Solve the following systems of equations using substitution. y=5x+2 and x=1

(1,7)

300

Solve the following systems of equations using substitution. y=3x and y=9

(3,9)

400

Solve the following systems of equations using substitution. 12y=3x+12 and x=2y

(4,2)

500

Solve the following systems of equations using substitution. y=4x-3 and y=3x+1

(4,13)

Linear equations

100

What is the formula we use for writing linear equations in slope-intercept form?

y=mx+b

200

What is point slope form?

y-y₁=m(x-x₁)

300

Write a linear equation with a slope of 1/3 and a y-intercept of -2.

y = 1/3x-2

400

Write a linear equation with a slope of 0 and a y-intercept of 5

y = 5

500

Write a linear equation for a line that passes through the points (1,2) and (3,3) and has a y-intercept of 1.

y=1/2x+1

Finding slope

100

What is the formula we use to find slope?

(y₂-y₁)/(x₂-x₁)

200

Fill in the blanks. What is another vocabulary term that we use for slope: _______ of ______

rate of change

300

If you see a horizontal line on a graph for a linear equation, what does this tell you about the slope?

it has a slope of zero

400

Identify the slope of the following linear equation: 

3x-y=-4

slope = 3

500

Find the slope of the line that passes through the points (2,1) and (4,6)

slope = 5/2

Mixed Review

100

What is the full date assessment?

Wednesday, October 9th

200

What is the correct way that we write an ordered pair?

(x,y)

300

If there are parallel lines for a system of equations, how many solutions does this system have?

zero or no solution

400

Solve for x in the following linear equation: 3x+7=16

x = 3

500

Solve for x in the following linear equation: 4x+2=7x+8

x = 2