1B. Polynomial and Rational Functions
United States of America
AP Precalculus
1.8 Rational functions and zeros
Interactive practice questions
A graph of the function $y=\frac{1}{x-5}$y=1x−5 is shown below.
How many values of $x$x satisfy the equation $\frac{1}{x-5}=0$1x−5=0?
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Medium
< 1min
A graph of the function $y=x\left(x^2-25\right)$y=x(x2−25) is shown below.
How many zeros does this function have?
Medium
< 1min
A graph of the function $y=x\left(x+2\right)\left(x+4\right)$y=x(x+2)(x+4) is shown below.
How many values of $x$x satisfy the equation $x\left(x+2\right)\left(x+4\right)=0$x(x+2)(x+4)=0?
Medium
< 1min
A graph of the function $y=\left(x-2\right)\left(x^2-6x+3\right)$y=(x−2)(x2−6x+3) is shown below.
How many values of $x$x satisfy the equation $\left(x-2\right)\left(x^2-6x+3\right)=0$(x−2)(x2−6x+3)=0?
Medium
< 1min
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