Number properties
what is the commutative property?
a+b=b+a or a x b = b x a
What does the equation 3x = 12 mean?
That multiplying 3 by a number (x) gives 12.
What is a variable?
A letter that represents an unknown number.
What are the axes of the coordinate plane?
X-axis (horizontal) and Y-axis (vertical)
How many sides does a triangle have?
3
What is the associative property?
(2+3) + 4=2 +(3+4)
What is the solution to x + 5 = 10?
X=5
Simplify: 3x + 2x
5x
What is the point (0,0) called?
Origin
What is a right angle?
An angle that measures 90 degrees
What is the distributive property?
2(3+4)=2x3 + 2x4
What symbol is used for "greater than"?
>
Evaluate the expression: 2x + 1 if x = 3
2(3)+1=7
What is a function?
A relationship where each input has only one output.
What is the formula for the area of a rectangle?
base x height
What is the identity element of addition?
It is 0, because any number plus 0 is the same number.
What does an inequality represent?
A comparison between two expressions using signs like >, <
What is a coefficient?
The number that multiplies a variable.
What kind of graph represents a straight line?
A linear function
What is a polygon?
A closed figure with straight sides
Which property shows that 5x1 =5?
the multiplicative identity property.
Solve: 2x - 4 = 10
X=7
Factor: x2 + 5x + 6
(x + 2)(x+ (x+3)
If f(x) = 2x + 3, what is the value of f(4)?
f(4) = 2(4) + 3 =11
What do you call a triangle with all equal sides?
Equilateral triangle