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

Exercise 1

Determine the zero of y(x)=7x−5.
x=−75
x=57
x=75
x=−57
Determine the zero of y(x)=7x−5.
Antwoord 1 correct
Correct
Antwoord 2 optie
x=75
Antwoord 2 correct
Fout
Antwoord 3 optie
x=−57
Antwoord 3 correct
Fout
Antwoord 4 optie
x=−75
Antwoord 4 correct
Fout
Antwoord 1 optie
x=57
Antwoord 1 feedback
Correct: 7x−5=0⇔7x=5⇔x=57.

Go on.
Antwoord 2 feedback
Wrong: What is the solution to 7x=5?

Try again.
Antwoord 3 feedback
Wrong: Note the minus-signs.

Try again.
Antwoord 4 feedback
Wrong: Consider the minus-signs.

Try again.