Algebra 1A Unit 3 Review

Given the table below, which equation represents the graph/ table?  (HINT: Use your graphing calculator to put points on the graph then type out the different choices in your calculator).

• y= -2x +9

Tags

CCSS.6.EE.C.9

What is the equation of the vertical line that contains (or passes through) the point (4, 7)?

Hint: use your graphing calculator to put the point on the graph then try out the different choices in your calculator. 

• y=4

• y=7

• x=4

• x=7

What is the equation of the horizontal line that contains (or passes through) the point (4, 7)? Hint: use your graphing calculator to put the point on the graph then try out the different choices in your calculator. 

• y=4

• y=7

• x=4

• x=7

Click on the picture or zoom in to see the question better.

• A

• B

• C

• D

Write the equation in slope-intercept form of the line with slope 2 and passes through the point (0, 5). (slope intercept form is y=mx +b)

• y=5x+2

• y = 7x - 2

• x = 2x - 3

• y=2x+5

What are the x and y intercepts of 6x + 4y = 12

• x-intercept: 2

  y-intercept: 3

• x-intercept: 3

  y-intercept: 2

• x-intercept: 6

  y-intercept: 4

• x-intercept: 4

  y-intercept: 6

y = -2x + 3   y = -2x - 2 Are these lines parallel, perpendicular, or neither? Use your graphing calculator if needed

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.5

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.5

y = -4x + 5  and  y = 3x - 2

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.C.8B