solving systems of equations; ch4 jeopardy

Vocab

100

What is the m in the equation of a line?

What is slope?

200

When is a line linear?

What is a straight line that passes through the origin.

300

What is the solution of an inequality?

What is All ordered pairs (x,y) that make a inequality true.

400

What is an equation?

What is a statement that two mathematical expressions are equal.

500

What is an Expression?

What is a group or numbers, symbols and variables that express an operation.

Solve

100

Find the solution to the system :

-4x-2y= -12

4x+8y= -25

what is

(6,-6)

200

find the solution to the system;

x - y= 11

2x + y= 19

what is

(10,-1)

300

find the solution to the system;

-6x+5y= 1

6x+4y= -10

what is

(-1,-1)

400

find the solution to the system;

-2x-9y= -25

-4x-9y= -23

what is

(-1,3)

500

find the solution to the system;

8x+y=-16

-3x+y= -5

what is 

(-1,-8)

Find The variable

100

A system of equations is shown

Solve for X

y=-5x+17

2x+3y=12

solution: 

X= 3

200

A system of equation is shown

Solve for d

-2d+y=18

3d+4y=5

solution: 

D= 7

300

a system of equations is shown 

Solve for X

y=9.85x+58.50

y= 16.35x

solution:

x= 9

400

a system of equations is shown

solve for x

y=6x+7

3x-8y=4

solution:

x= -4/3

500

a system of equations is shown

Solve for y

4x+9y=-15

-5x+7y=37

solution:

Y= 1

Find the solution

100

m=-2 and b=-1/3

m=-2 and b= -2/3

what is:

y=mx+b

y=-2x+3/2

200

Find the solution:

4x-y=5

What is: 

y= -4x+5

one solution

300

Find the solution:

y= 8x+7

What is:

y= 8x-7

no solution

400

Find the solution of this linear system;

y=1/2x+4

x+2y=-8

what is;

No solution

500

How many solutions does this linear system have;

y=2x-5

-8x-4y=-20

what is;

one solution: (2.5,0)

Solving the Expression

100

4x+16=25-3x

What is x=1.28

200

5x+15=65

What is x=10

300

3x+15=9x+30

what is x+5 = 3x+10

400

3x² +5+4x³ -x² +2x³ +9

What is 6x³ +2x²+14

500

6x-2y-x+2y=6+4

what is x=2