A value you can put in place of a variable (such as x) that would make the equation true
What is solution
100
The type of number we normally use, such as 1, 15.82, −0.1, 3/4, etc. Positive or negative, large or small, whole numbers or decimal numbers are all Real Numbers
What are real numbers
100
Two numbers written in a certain order.
Usually written in parentheses like this:
(4,5). Can be used to show the position
on a graph, where the "x" (horizontal)
value is first, and the "y" (vertical) value is
second
What is an ordered pair
100
A real number that cannot be written
as a simple fraction - the decimal
goes on forever without repeating
What is an irrational number
100
the measure of degrees that a figure is rotated about a fixed point
What is the angle of rotation
200
a value that, when multiplied by itself, gives the number
What is a square root
200
an image or shape as it would be seen in a mirror
What is the reflaction
200
The starting point. On a number line it is
0. On a two-dimensional graph it is
where the X axis and Y axis cross,
marked (0,0). In three dimensions it is the
point (0, 0, 0)
What is the origin
200
Either of the sides in a right triangle
opposite an acute angle. The legs are the
two shorter sides of the triangle
What is the legs
200
In a rotation, the point that does not move
The rest of the plane rotates around
this one fixed point
What is the center of rotation
300
Changing a shape using
• Turn
• Flip
• Slide, or
• Resize
What is a transformation
300
A type of symmetry where one half is the reflection of the other half. You could fold the image and have both halves match exactly
What is reflectional symmetry
300
A whole number made by squaring a whole
number
What is perfect square
300
The line/axis that a figure is being
reflected over
What is the line of reflection
300
The plane containing the "x" axis
and "y" axis
What is the coordinate plane
400
Moving a shape, without rotating or flipping it. "Sliding"
What is a translation
400
A circular movement. Rotation has a central point that stays fixed and everything else moves around that point in a circle
What is a rotation
400
In a right angled triangle the square of the
long side is equal to the sum of the
squares of the other two sides. It is stated
in this formula: a2 + b2 = c2
What is the pythagorean theorem
400
The imaginary line where you could fold
the image and have both halves match
exactly
What is the line of symmetry
400
The side opposite the right angle in a
right-angled triangle
What is the hypotenuse
500
The line on a graph that runs horizontally (left-right) through zero. It is used as a reference line so you can measure from it
What is the x axis
500
With Rotational Symmetry, the shape or image can be rotated some amount and it still looks the same
What is rotational symmetry
500
Any of the 4 areas made when we divide up a plane by an x and y axis. They are usually numbered I, II, III and IV
What are quadrants
500
An equation that makes a
straight line when it is graphed
What is a linear equation
500
The new position of a point, a line, a line segment, or a figure after a transformation