Last Updated 27 Jan 2021
Burning Up
ALWAYS, SOMETIMES, OR NEVER
Chapter 9
Tell whether each statement is always, sometimes, or never true.
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- The graph of a quadratic function is a straight line.
- The range of a quadratic function is the set of all real numbers.
- The highest power in a quadratic function is 2.
- The graph of a quadratic function contains the point (0, 0).
- The vertex of a parabola occurs at the minimum value of the function.
- The graph of a quadratic function that has a minimum opens upward.
- The graphs of f(x) = ax2 and gx= -ax2 have the same width.
- The function fx= ax2+c has three zeros.
- The graph of y= ax2+1 has its vertex at the origin.
- The graph of y = -x2+c intersects the x-axis.
- There are two solutions to x2=n when n is positive.
- If n is a rational number, then the solution to x2=n are rational numbers.
- If the graph of a quadratic function has its vertex at the origin, then the related quadratic equation has exactly one solution.
- If the graph of a quadratic function opens upward, then the related quadratic equation has two solutions.
- If the graph of a quadratic function has its vertex on the x-axis, then the related quadratic equation has exactly one solution.
- If the graph of a quadratic function has its vertex in the first quadrant, then the related quadratic equation has two solutions.
- A quadratic equation in the form ax2 – c = 0, where a <0 and c>0 have two solutions.
- If a quadratic equation has two solutions, then it has two x-intercepts.
- If the discriminant is equal to zero the quadratic equation has no real solutions.
- If the leading coefficient of a quadratic equation is positive and the graph of the equation has a positive y-intercept, the graph has two real solutions.
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Burning Up. (2016, Dec 30). Retrieved from https://phdessay.com/burning-up/