Advanced MathEasyLowest point of a lifted parabola
Advanced Math practice question
In the xy-plane, the graph of y = x² + 5 has a lowest point. What is the y-coordinate of that point?
Answer: 5
x² is at least 0, so y is at least 5, reached at x = 0.
Common wrong answers
- If you answered 0
- 0 is the x-coordinate of the lowest point.
- If you answered 25
- 25 is 5².
- If you answered -5
- −5 has the wrong sign.
More Advanced Math questions
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If f(x) = 3x − 7, what is the value of f(5)? - Easy
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The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
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