Linear Functions
Mental Math
More Linear Functions
More Mental Math
World Cup Soccer
100
What is the slope of the line y = -1/4x +4
-1/4
100
if 4x = 10 - 2 the x = ?
x = 2
100
what is the slope of this line, y = 3/4 x + 7
m = 3/4
100
if 2x = 10 then x = ?
x = 5
100
In which country will the World cup be played?
Brazil
200
Where does this line cross the y axis y = -2x - 1
b = -1
200
if 4 - (-8) + 2 = ?
14
200
Where does this line cross the y axis? y = 7/2 x - 12
b = -12
200
if 6x = 24 - 6 then x = ?
x = 3
200
Name a country other then the USA or Gemany that is playing the World Cup?
Other countries....
300
What is the y-intercept of the following line 3x + 2y = -10
b = -5
300
if 5 - 3x = +35 x = ?
x = - 10
300
What is the y intercept of the line -6x + 4y = -12 ?
b = -3
300
if 3x - 6 = 66 then x = ?
x = 20
300
Who one the last World Cup?
Spain
400
What is the slope of the line y = -15 ?
m = 0
400
if 2(x + 3x) = ?
8x
400
What is the slope of the line -8x + 2y = 21 ?
m = 4
400
if 5x - 15x = 20 then x = ?
x = -2
400
How many times has Germany won the World Cup?
3
500
What is the slope of this line? 2y + 4x = 3
m = -2
500
What is the slope of the line 3y - 21x = 10 ?
m = 7
500
What is the slope of the line that is parallel to the line y = -7x - 5 ?
m = -7
500
What is the slope of the line 5x - 3y = 24 ?
m = 5/3
500
How many times has the United States won the World Cup?
ZERO
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