# Absolute Functions (Quiz 1)

15 Questions | Total Attempts: 102

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Please complete the following quiz after you have read through the notes in your text book from page 107 to 110. You have to enter your class, index number and FULL NAME. Example : 3H204 Chan Jingzhan, 3Q01 Aw You Jin Eugene. If there are more than 1 answers, separate the answers with comma. Do not insert any spaces or full stop or other punctuation marks. Example 4,-6

• 1.
Given that f(x) = |3x - 8|, find the value of f(1).
• 2.
Given that f(x) = |5x + 6|, find the value of f(-2).
• 3.
Given that f(x) = 2 - |3x + 4|, find the value of f(-3).
• 4.
Given that f(x) = |x2 - 5x - 3|, find the value of f(0.5). Answer in decimal.
• 5.
Given that f(x) = |x + 8| - |x - 8|, find the value of f(-1).
• 6.
Solve the equation, |x| = 9.
• 7.
Solve the equation, |x - 2| = 5.
• 8.
Solve the equation, |4x - 15| = x
• 9.
Solve the equation, |2x - 3| = 4x
• 10.
Solve the equation, |x - 3| = |x - 5|.
• 11.
Solve the equation, |x + 4| = |x + 6|.
• 12.
Solve the equation, |x2 - 12| = x.
• 13.
If |x - 3| + |15 - 5x| = k|x - 3|, where k is a constant. Find k.
• 14.
If |x - 2| + |8 - 4x| = k|x - 2|, where k is a constant. Find k.
• 15.
Simplify 8|3x -2| - 3|6 - 9x| and hence solve the equation8|3x -2| = 1 + 3|6 - 9x|.
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