Solving Systems of Equations Linear

How many solutions will this system have? 

• No solution

• One Solution

• I Don't Know

• Infinitely Many Solutions

Solve the following system by graphing.  What is the solution?

• (-4, 2)

• (4, 2)

• (2, -4)

• (2, 4)

These two lines intersect at _____.

• (4, -2)

• (4, 2)

• (-2, 4) 

• No solution

What is the first step in solving a system by graphing?

• Write both linear equations in slope-intercept form

• Get x by itself

• Compare the slopes of both equations

• Write both equations in standard form

What is the x coordinate of the solution to this system of equations? HINT: Graph and use nSolve. Menu 64.

Mathematical Equivalence

ON

Enter the x coordinate of the solution to this system of equations. HINT: Make sure both equations are in (y=mx+b) form. Then do the shortcut with DESMOS

Mathematical Equivalence

ON

Enter the x coordinate of the solution to this system of equations. HINT: Make sure both equations are in (x + y = #) form. Then do the shortcut.

Mathematical Equivalence

ON

HINT: MAKE A TABLE FOR BOTH GYMS KEEPING TRACK OF THE TOTAL AMOUNT SPENT. THEN COUNT HOW MANY MONTHS IT TAKES BEFORE THEY BOTH SPEND THE SAME TOTAL.

Mathematical Equivalence

OFF

(a)  

• A

• B

• C

• D