System of Equations
Linear Equations
System of Equations Continued
Linear Equations Continued
100

How many solutions does the System of Equations have?   y=-5x-2, y=-5x-2

Infinitely many solutions, they have the same slope and same y-intercept

100

Solve the equation for x  3x+2=14

x=14

100

How many solutions does the System of Equations have?  y=-9x+9, y=3/4x-7/4

One solution, the slopes are different 

100

Solve the Equation for n  -24+12n=2(n-3)+22

n=4

200

Solve using Substitution   -3x-2y=-10, x=-2

y=8, (-2,8)

200

A line has a slope of -1 and a y-intercept of 6. Write in slope-intercept form

y=-1x+6

200

Solve using Substitution  y=4x-10, y=x+5

x=5 and y=10, (5,10)

200

A line has a slope of 9 and a y-intercept of -1/4. Write in slope-intercept form

y=9x-1/4

300

Is (1,6) a solution to this System of Equations?  5x+y=11, 2x+3y=20

Yes, (1,6) is a solution to the system of equations

300

Solve the Equation for x  6.4x-10=4.4x+6

x=8

300

Is (-4,-5) a solution to the system of equations?  y=-2x-13, y=-x+1

No, (-4,-5) is not a solution to the system of equations 

300

Rewrite the equation in slope-intercept form  5x+2y=-4

y=-5/2x-2

400

How many solutions does the System of Equations have?  y=9x+2, y=9x+2

Infinitely many solutions, they have the same slope and same y-intercept

400

Solve the Equation for x  3(x+2)-8x=x+9

x=-1/2

400

Solve using Substitution  y=2x+3, y=x+2

x=-1 and y=1, (-1,1)

400

A line has a slope of 4 and a y-intercept of 0. Write in slope-intercept form

y=4x

500

Is (-2,-3) a solution to this System of Equations?  y=2x+1, y=x-1

Yes, (-2,-3) is a solution to the system of equations 

500

Rewrite the equation in slope-intercept form 17x-20y=8

y=17/20x-2/5

500

Solve using Substitution  y=-7, -5x-10y=20

x=10, (10,-7)

500

Rewrite the equation in slope-intercept form 11x+12y=2

y=-11/12x+1/6

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