Practice Exam

Front

What is matrix addition?

Back

Matrix addition involves adding corresponding elements of two matrices of the same dimensions to produce a new matrix.

Tags

CCSS.HSN.VM.C.8

Front

How do you find the value of a function at a specific point?

Back

To find the value of a function f(x) at a specific point, substitute the value of x into the function's equation.

Tags

CCSS.HSF.IF.A.2

Front

What is a piecewise function?

Back

A piecewise function is a function defined by multiple sub-functions, each applying to a certain interval of the main function's domain.

Tags

CCSS.HSF-IF.C.7B

Front

How do you compose two functions?

Back

To compose two functions f and g, denoted as g(f(x)), substitute f(x) into g.

Tags

CCSS.HSF-BF.A.1C

Front

What is the formula for finding the angle of elevation?

Back

The angle of elevation can be found using the tangent function: tan(x) = opposite/adjacent.

Tags

CCSS.HSG.SRT.C.8

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input from its domain.

Tags

CCSS.8.F.A.1

Front

What is the significance of the horizontal distance in trigonometry problems?

Back

The horizontal distance is often used as the adjacent side in right triangle trigonometry to find angles or heights.

Tags

CCSS.HSG.SRT.C.8

Front

What does it mean for a function to be quadratic?

Back

A quadratic function is a polynomial function of degree 2, typically in the form f(x) = ax^2 + bx + c.

Front

What is the result of g(f(x)) if g(x) = -3x and f(x) = x^2 + 2?

Back

g(f(x)) = -3(x^2 + 2) = -3x^2 - 6.

Tags

CCSS.HSF-BF.A.1C

Front

How do you round an angle to the nearest degree?

Back

To round an angle to the nearest degree, look at the decimal part: if it's 0.5 or higher, round up; if it's less than 0.5, round down.

Tags

CCSS.HSF.TF.A.1