Functions Quiz

Which of the following is an example of a linear equation in standard form?

• -6

• 2

• 0

• -2

What should be investigated about the presented function?

• Domain, range, intersections with the axes, maxima/minima, and shape.

• Derivatives, integrals, limits, and continuity.

• Asymptotes, inflection points, concavity, and convexity.

• Periodicity, amplitude, frequency, and phase.

• A) A straight line

• B) A parabola

• C) A semicircle

• D) A curve

In the equation y = 3x + 15, where does the graph of the equation cross the y-axis?

• y = 3

• y = 15

• y = 0

• y = -3

What is the shape of the graph of the function $ f(x) = x^2 $?

• Straight line

• Parabola

• Circle

• Ellipse

What is the shape of the graph of the function $ g(x) = 2x^2 - 5 $?

• Straight line

• Parabola

• Circle

• Ellipse

If the equation of a line is y = 3x + 15, what is the y-intercept of the line?

• 3

• 15

• -3

• -15

Which axis does the x-intercept of a line fall on?

• Horizontal axis

• Vertical axis

• Y-Axis

Which is NOT true about the y-intercept?

• (x) always equals 0

• it is the beginning or initial value

• (b) is the letter used to represent the y-intercept

• (y) always equals 0