Graphing Systems of Equations with Calculator

Solve using your graphing calculator.

y = 2x + 1

y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines

• parallel lines

• skew lines

• intersecting lines

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Determine if (4, 1) is a solution for the system of equations.

(substitute 4 for x and 1 for y in each equation to see if (4, 1) makes both equations true.)

y = -x + 5

y = 2x - 7

• yes

• no

Which graph represents a system of equations with no solution?

• 
• 
• 
• None of the above

Which graph represents a system of equations with one solution?

• 
• 
• 
• None of the above

How do you solve a system of equations?

(CLICK ALL THAT APPLY)

• graphing

• elimination

• substitution

• nSolve

• linSolve

What do you call "more than one equation"?

• equivalent

• algebraic expression

• System of equations

• System of inequalities

Solve the system by graphing. Use your graphing calculator!

y = 2x + 1

y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Solve the system by graphing. Use your graphing calculator!

• (3, -1)

• (-1, -3)

• (-1, -1)

• (-1, 3)