Math Flashcards
A square root of a number is…
2 equal numbers
The symbol,square root is called a…
Radical sign
How do you estimate square roots?
1: place your square on the number line
2: find out what 2 perfect squares the number is between
3: estimate the side length of the square
Numbers that don’t terminate or repeat in the decimal are called what?
Irrational numbers
Numbers that terminate and repeat in the decimal are called what?
Rational numbers
Numbers that don’t have a decimal are…
A whole number, an integer, and a rational number
The Pythagorean theorem describes what?
The relationship between the lengths of the legs and the hypotenuse for any right triangle
What is the formula for the Pythagorean theorem
A squared + B squared= C squared
The Pythagorean theorem can be used to…
Solve a variety of right square problems
What is a origin on a coordinate plane?
The point where the 2 number lines intersect
The x axis is the…
Horizontal number line
The y axis is the…
Vertical number line
Quadrants are…
4 sections of the coordinate plane
How do you find a ordered pair?
1: start the origin
2: move right to find the x coordinate of the point
3: move up to find the y coordinate
Numbers such as 1, 4, 9, and 16 are called
Perfect squares
