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  2. For business economics
  3. Chapter 1: Functions of one variable
  4. Power functions and polynomial functions
  5. Linear functions
  6. Exercise 2

Exercise 2

Determine the point of intersection with the $x$-axis for the graph of the function $f(x)=-3x+12$.
$(4,0)$
$4$
$-4$
The correct answer is not among the other options.
Determine the point of intersection with the $x$-axis for the graph of the function $f(x)=-3x+12$.
Antwoord 1 correct
Correct
Antwoord 2 optie
$4$
Antwoord 2 correct
Fout
Antwoord 3 optie
$-4$
Antwoord 3 correct
Fout
Antwoord 4 optie
The correct answer is not among the other options.
Antwoord 4 correct
Fout
Antwoord 1 optie
$(4,0)$
Antwoord 1 feedback
Correct: $$\begin{align*}
-3x+12=0 &\Leftrightarrow -3x=-12\\
& \Leftrightarrow x=4.
\end{align*}$$
Hence, the point of intersection is $(4,0)$.

Go on.
Antwoord 2 feedback
Wrong: The point of intersection consists of an $x$- and a $y$-coordinate.

See zero.
Antwoord 3 feedback
Wrong: The point of intersection consists of an $x$- and a $y$-coordinate.

See zero.
Antwoord 4 feedback
Wrong: The correct answer is given.

Try again.