Graphing
What does an open circle mean on a number line graph?
The boundary point is not a solution.
Solve for x.
x - 2 < 2
x < 4
2x + 4 < 8
x < 2
Write the inequality.
A number x plus 2.6 is greater than or equal to 9.
x + 2.6 >(with dash under) 9
How many kids does Mr. P. have?
3
What direction would you shade with this inequality?
x < 4
2x > 10
x > 5
-5c + 7 < -3
c > 2
Write the inequality.
A number n minus 3.8 is more than 19.
n - 3.8 > 19.
How many continents has Mr. P. been to?
2 (North America and Europe)
How would you graph this inequality?
x > -8
Open circle on -8 and then shade all the numbers to the right and the arrow at the end of the number line
j - 7 > -1
j > 6
Solve for x.
-4x + 13 + 7x > 14 - 10
x > -3
Write the inequality.
A weekly base salary is $135. You earn $20 for every driveway you shovel. You need to make at least $1,000 to save up for a new car.
20x + 135 >(with dash under) 1,000
How many countries has Mr. P. been to?
Spain, Italy, France, Greece)
When do you put a closed circle on a boundary point?
When there is a greater than or equal to symbol or a less than or equal to symbol
Solve for x.
x / -3 > 4
x < -12
Solve for w.
14w - 8w - 5.4 > 7.3 - 10
w > .45
Simplify the inequality.
3x - 7x + 2 < 10 - 12
-4x + 2 < -2
Where did I meet my wife?
Unity Christian High School