Algebra 1 Jeopardy

Vocabulary

100

Define Intersection 

The point where two lines cross 

200

Define Opposites 

Positive and negative Ex: 4, -4

300

Define Substitution Property of Equality 

If y=x then x can replace y at anytime

400

Define Coefficient 

The number multiplied by a variable 

500

Define solution of a system of linear equations

Pair of coordinates that satisfy all equations in the system  

System of linear equations

100

What are the 3 solutions of systems of linear equation?

Graphing, substitution, and elimination 

200

What is the formula for system of linear equations?

y=mx+b

300

x−7y=−11, 5x+2y=−18

x=-4, y=1

400

6x−5y=8, −12x+2y=0

x=-1/3, y=-2

500

−2x+10y=2, 5x−25y=3

No solution 

graphing in slope intercept form

100

what do the variables in y= mx + b represent?

y= answer when x is 0  m= slope  x= answer when y is 0    b= intercept

200

y=2x + 3

0,3 1,5

300

y=4/2x + 2

0,2 2,6

400

y=3.7x + 2.4

0,3.7 1,6.1

500

5y=30x + 45

0,9 1,15

linear inequalities

100

What does a closed circle indicate?

greater than or equal to OR less than or equal to

200

What is the multiplication property of inequalities? 

The inequality will remain true if we multiply the same number to both sides

300

What are the 3 steps to solving and graphing inequalities?

1. analyze the situation

2. Inverse operations to isolate the variable 

3. state and graph the solution

400

5x+15<=-10

x<=-5

500

-4(3x-1)+6x>=16

x<=-2

simple arithmetic

100

19+8=?

27

200

123-33=?

90

300

12*8=?

96

400

88/11+7=?

15

500

55-10/9*2=?

10