Star Algebra

What is the r value, and is it strong or weak?

• r = .97 & strong

• r = .92 & strong

• r = .92 & weak

• r = .49 & weak

How would you solve 3x+2 = -4x-1 (Select all that apply)

• 
• Go to desmos and look at the x & y intercepts

• 
• 1) Plug the left side into desmos

  2) Plug the right side into desmos

  3) Find the intersection point

What would you put into Desmos to solve 5x+15 < 10(2x-3)

• 
• 
• 

When solving 5x+15 < 10(2x-3), you will have put 5x+15 on the first line of desmos and 10(2x-3) on the second. What would you look for next? (Select all that apply)

• Find the x and y intercepts of both lines

• 1) Look for the intersection of the lines

  2) Determine the y coordinate of the intersection

  3) See if the line of 5x+15 is below on the above or below the y value

• 
• 1) Look for the intersection of the lines

  2) Determine the x coordinate of the intersection

  3) See if the line of 5x+15 is below on the left or right of the x value

Tags

CCSS.HSA.REI.D.12

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

Tags

CCSS.8.EE.C.8B

What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If you are asked to look for a zero/solution/root/x intercept on a parabola, where should you look?

• On the X-Axis

• The Vertex

• The Axis of Symmetry

• The Y Intercept

Tags

CCSS.HSF-IF.C.7A

The Vertex will always be either a ___ or a ___

• X-int or a Y-int

• initial value or a rate

• solution or a root

• Min or a Max

Select all that apply to the axis of symmetry

• It is a y = equation

• It is a x = equation

• The equation will be x = the x coordinate

• It is the imaginary line where you can fold the parabola on itself

Find the solution to this system of equations.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6