Unit 9 Review -- Systems of equations

Unit 9 Review -- Systems of equations

Multiple Choice

Same slope, different y intercept. No solutions

• Parallel lines

• Perpendicular lines

• IBNP lines

• Coincident lines

Multiple Choice

Same slope, same y intercept. Infinite solutions

• Parallel lines

• Perpendicular lines

• IBNP lines

• Coincident lines

Multiple Choice

One solution, different slopes

• Parallel lines

• Perpendicular lines

• IBNP lines

• Coincident lines

Multiple Choice

One solution, opposite reciprocal slopes

• Parallel lines

• Perpendicular lines

• IBNP lines

• Coincident lines

Find the equation of a line...

• Opposite reciprocal slopes

• Plug in the x and y value to solve for b

3 Methods for solving systems

• Graphing (desmos)

• Substitution

• Elimination

Fill in the Blank

Solve the system using whatever method works best for you. Write your answer as an ordered pair (x,y) with no spaces.

Multiple Select

To solve the system using substitution, which variable would work best and why?

• x

• y

• It's the only variable in the equation

• It has a coefficient of 1

Fill in the Blank

Solve the system using whatever method works best for you. Write your answer as an ordered pair with no spaces.