Graph absolute value, square root and cube root functions

Grade 9 Math Worksheet - Challenge Me

NameDate

Circle the best answer, or write your answer on the line.

  1. Kira turns y = |x| into y = −2|x − 1| + 3 for a tent roof. Where does the point (2, 2) of y = |x| go? Write it like (7, -3).

  2. Milo turns y = |x| into y = −|x + 3| + 5 for a cloud dip. Where does the point (3, 3) of y = |x| go? Write it like (7, -3).

  3. Noah turns y = |x| into y = −3|x − 2| − 2 for a rocket dive. Where does the point (1, 1) of y = |x| go? Write it like (7, -3).

  4. Pia draws a V for a kite-string pattern. The vertex is (-1, -3) and the V passes through (1, 1). Which equation fits?

    • y = |x + 1| − 3
    • y = 2|x − 1| − 3
    • y = 2|x + 1| − 3
    • y = 4|x + 1| − 3
  5. Ren draws a V for a tent outline. The vertex is (2, 5) and the V passes through (4, 1). Which equation fits?

    • y = 2|x − 2| + 5
    • y = −4|x − 2| + 5
    • y = −2|x + 2| + 5
    • y = −2|x − 2| + 5
  6. Zee draws a V for an umbrella's folded edge. The vertex is (-4, 6) and the V passes through (-2, -2). Which equation fits?

    • y = 4|x + 4| + 6
    • y = −8|x + 4| + 6
    • y = −4|x − 4| + 6
    • y = −4|x + 4| + 6
  7. Ari graphs y = −√(x − 2) + 4 for a marble track. What is the range?

    • y ≤ 2
    • All real numbers
    • y ≤ 4
    • y ≥ 4
  8. Bo graphs y = −√(x + 5) − 1 for a sled run. What is the range?

    Use the picture in question 7.

    • y ≤ -5
    • y ≥ -1
    • All real numbers
    • y ≤ -1
  9. Esme graphs y = ∛(x − 3) + 2 for a swing's path in a game. What is the domain?

    • x ≤ 3
    • x ≥ 3, just like a square root graph
    • All real numbers
  10. Jun graphs y = ∛(x + 6) − 1 for a wave in a boat game. What is the range?

    Use the picture in question 9.

    • y ≤ -1
    • All real numbers
    • y ≥ -1
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Graph absolute value, square root and cube root functions

Answer Key - Grade 9 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

  1. Kira turns y = |x| into y = −2|x − 1| + 3 for a tent roof. Where does the point (2, 2) of y = |x| go? Write it like (7, -3).

    (3, -1)
  2. Milo turns y = |x| into y = −|x + 3| + 5 for a cloud dip. Where does the point (3, 3) of y = |x| go? Write it like (7, -3).

    (0, 2)
  3. Noah turns y = |x| into y = −3|x − 2| − 2 for a rocket dive. Where does the point (1, 1) of y = |x| go? Write it like (7, -3).

    (3, -5)
  4. Pia draws a V for a kite-string pattern. The vertex is (-1, -3) and the V passes through (1, 1). Which equation fits?

    • y = |x + 1| − 3
    • y = 2|x − 1| − 3
    • y = 2|x + 1| − 3
    • y = 4|x + 1| − 3
  5. Ren draws a V for a tent outline. The vertex is (2, 5) and the V passes through (4, 1). Which equation fits?

    • y = 2|x − 2| + 5
    • y = −4|x − 2| + 5
    • y = −2|x + 2| + 5
    • y = −2|x − 2| + 5
  6. Zee draws a V for an umbrella's folded edge. The vertex is (-4, 6) and the V passes through (-2, -2). Which equation fits?

    • y = 4|x + 4| + 6
    • y = −8|x + 4| + 6
    • y = −4|x − 4| + 6
    • y = −4|x + 4| + 6
  7. Ari graphs y = −√(x − 2) + 4 for a marble track. What is the range?

    • y ≤ 2
    • All real numbers
    • y ≤ 4
    • y ≥ 4
  8. Bo graphs y = −√(x + 5) − 1 for a sled run. What is the range?

    Use the picture in question 7.

    • y ≤ -5
    • y ≥ -1
    • All real numbers
    • y ≤ -1
  9. Esme graphs y = ∛(x − 3) + 2 for a swing's path in a game. What is the domain?

    • x ≤ 3
    • x ≥ 3, just like a square root graph
    • All real numbers
  10. Jun graphs y = ∛(x + 6) − 1 for a wave in a boat game. What is the range?

    Use the picture in question 9.

    • y ≤ -1
    • All real numbers
    • y ≥ -1