NC Math 1 Vocab Flashcard

Front

What is the midpoint formula for two endpoints (x₁, y₁) and (x₂, y₂)?

Back

Midpoint = ( (x₁ + x₂)/2 , (y₁ + y₂)/2 )

Front

What does the 'a' in the equation y = ax² + bx + c determine about the parabola?

Back

The direction of opening.

Front

What type of equation is y = ax² + bx + c?

Back

Quadratic.

Front

What percentage of data lies in each section of a box and whisker plot?

Back

25%.

Front

When solving inequalities, when do you flip the sign?

Back

Sometimes.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the vertex of a parabola represent?

Back

The highest or lowest point of the parabola.