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a green triangle with sides that are the same length. It has green equals signs by each side. There are arcs in each angle of the triangle.
equilateral | By Esrah.
 a graph with an orange diagonal line in the middle, and arrows on either end.
linear function | By Esrah.
a blue circle with the Greek letter pi in the middle, and a blue arrow around the outside of the circle.
pi | By Esrah.
 a graph with a curved green line on it, and arrows on either side of the line.
exponential function | By Esrah.
 a green triangle with an arrow inside it, pointing from the right angle of the triangle to the opposite side of the triangle. Three green marks highlight that side.
hypotenuse | By Esrah.
a graph with a red U-shaped line with arrows at the top of each side.
quadratic function | By Esrah.
a red triangle with sides that are all different lengths. There are red not equal signs by each side. There are arcs in each angle of the triangle, none of them matching.
scalene | By Esrah.
a yellow triangle with two sides that are the same length, and a third side that's shorter. Two of the sides have green equals signs by them, but the third has a red not equal sign. There are arcs in each angle of the triangle, two matching and one not.
isosceles | By Esrah.
a graph with a curved teal line that goes upwards until a point, then swerves to the right. There are arrows on either end of the line.
logarithmic function | By Esrah.
a graph with two identical, mirrored lines, on opposite sides of the center of the graph. They are both curved, yellow, and there are arrows on either end of both lines.
rational function | By Esrah.

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