4. Functions and Relations
Middle Years
4.08 Quadratic functions
Interactive practice questions
Does the parabola represented by the equation $y=x^2-8x+9$y=x2−8x+9 open upward or downward?
Upward
A
Downward
B
Easy
< 1min
The graph of $y=x^2+6$y=x2+6 has no $x$x-intercepts.
True or False?
Easy
< 1min
Consider the given graph and answer the following questions.
Easy
1min
Consider the given curve.
Easy
2min
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