When graphing inequalities, which symbols have an open circle?
< Less Than
and
> Greater Than
Is the statement true
2x > -6
x = -3
False, the correct answer is x>-3.
Mrs. Bond must read for a minimum of 20 minutes.
x ≥ 20
Solving Inequalities
Solve for x.
2x > 8
Answer: - x > 4
Solve for x.
4x + 3 < 7
Answer: - x < 1
When graphing inequalities, which inequality symbols have a closed circle?
≤ : Less Than or Equal to
and
≥ : Greater than or Equal to
Is the statement true?
2k + 10 > 30
k > 10
True
Mr. Johnson must have all the orders placed right now done in 7 days or less.
Solve the Inequality
x + 4 < 88
Answer: - x < 84
Solve for z.
2z - 5 > 11
Answer: - z > 8
Which direction do we shade (on the number line) when graphing x < -3?
Left, since x is less than -3
We use an open circle to represent the inequalities < and ≥?
False, ≥ is a closed circle since it's greater than or equal to.
Emma must be taller than 42 inches to ride the roller coaster.
x > 42
Solve the Inequality
x/3>7
Answer: - x > 21
Solve for x.
9x - 1 > 71
Answer: -
Is the following inequality graphed correctly?
x < 6
No, the graph shows x ≥ -6
If graphing x < 5, we would put an open circle on 5 and shade to the right.
False, we shade it to the left since x is less than 5.
Jade drove slower than 75 MPH.
x < 75
Solve this Inequality: -
7x < -14
Answer: - x < -2
Solve the inequality.
3x - 4 > 11
Answer: - x > 5
What are these symbols called:
< , ≤ , > , ≥?
(The answers are not less then, greater then, etc.)
Inequalities
-2 is less than -10
False
Ms. Ray said no more than 12 words.
x ≤ 12
Solve the Equation:
f + 9 < 58
Answer: - f < 49
Solve for v.
v/3+14<30
Answer: - x < 48