How do you write the expression twice a number?

How do you write the expression twice a number?

Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Thus “twice a number x” can be written symbolically as 2x.

How do you write an answer as an inequality?

When you’re solving an absolute-value inequality that’s greater than a number, you write your solutions as or statements. Take a look at the following example: |3x – 2| > 7. You can rewrite this inequality as 3x – 2 > 7 OR 3x – 2 < –7. You have two solutions: x > 3 or x < –5/3.

What is a number greater than or equal to?

What is Greater Than or Equal To in Math? Greater than or equal to as the name suggests, means something is either greater than or equal to some quantity. Greater than or equal to is represented by the symbol “≥”. For example, x ≥ −2 means the value of x should be greater than or equal to −2.

How to write an inequality and solve given?

How do you write an inequality and solve given “the sum of nine times a number and fifteen is less than or equal to the sum of twenty four and ten times the number”? How do you write an inequality and solve given “the sum of a number and -4 is at least 8”?

When do you use less than equal sign in inequality expressions?

They are basically regular functions, but instead of equal signs, they use a variant of less than “>” or greater than “<” in place of the equal sign. It is a basic line. Whatever you plug in a value x, it must fulfill a value for y. If x=1, y must equal 5. Then you have inequalities.

When do you have inequalities for X and Y?

Whatever you plug in a value x, it must fulfill a value for y. If x=1, y must equal 5. Then you have inequalities. Basically, every value for x and y above or on the line will work as an answer.

Which is a good answer to the inequality 0, 4?

The point (0, 4) is a good answer, because: Because this is y ≤ f (x), every value of x and y below or on the line will work as an answer. (0, 0) works because: Like the previous inequalities, greater than is anything above the line and less than is anything below the line.