All About Numbers
What is a decimal called that never ends?
A repeating decimal
What is the definition of a linear relationship?
When two variables create points that make a straight line.
What is a rational number?
A fraction or decimal.
What are complementary angles?
Angles that add up to 90 degrees.
What is the area of a shape?
The amount of space inside of a 2-D shape (length times width).
What is a decimal called where it ends?
A terminating decimal
What is a proportional relationship?
What is an equivalent expression?
Where two equations equal the same but are written differently.
What are supplementary angles?
Angles that add up to 180 degrees.
What is the circumference of a circle?
The distance around the circle (the perimeter of the circle).
Equation: 2 X pi X radius
What is another name for a whole number?
An integer
y=mx+b: What is the "m" in this equation?
The slope (rise/run)
What is an absolute value?
Any # becomes positive if in absolute value area (example: = l -4 l = 4.
What is an obtuse angle?
An angle between 90 and 180 degrees.
What is the radius of the circle?
The straight line from the edge of the circle to the center point of the circle.
Radius: diameter (full line size of center line of circle) divided by 2.
What is the number called where there is a whole number and a fraction?
A mixed number
y=mx+b: what is the "b" in the equation?
y-intercept
What is a factor?
Numbers that divide evenly.
What does congruent mean?
Same size and shape.
What is a line segment?
A line that has both a starting point and an end point (does not keep going on and on).
What is it called when a decimal has "..." after it (like 3.465...)?
An ellipses
Describe the relationship between dependent and independent variables.
When you change the independent variable, the dependent variable also changes (we control the change of the independent variable).
What is an inequality?
Compares two values and shows that one is bigger or smaller. More than one answer.
What is a transversal?
A line that intersects two other lines.
What is a polygon?
A flat 2-D shape made up of straight lines that connect to each other and close the shape.