Graph absolute value, square root and cube root functions
Grade 9 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.
Luz turns y = |x| into y = 3|x + 2| − 4 for a castle tower top. Where does the point (-1, 1) of y = |x| go? Write it like (7, -3).
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).
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = |x| is drawn; the new graph is not. Table old (x, y) | new (x, y): (3, 3) | ? Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = |x| is drawn; the new graph is not. Table old (x, y) | new (x, y): (3, 3) | ? Graph −10 −8 −6 −4 −2 2 4 6 8 10 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 1 2 3 4 5 6 7 8 9 10 y = |x| Table old (x, y) new (x, y) (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).
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = |x| is drawn; the new graph is not. Table old (x, y) | new (x, y): (1, 1) | ? Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = |x| is drawn; the new graph is not. Table old (x, y) | new (x, y): (1, 1) | ? −10 −8 −6 −4 −2 2 4 6 8 10 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 1 2 3 4 5 6 7 8 9 10 y = |x| new graph is not drawn old (x, y) new (x, y) (1, 1) ? Pia draws a V for a kite-string pattern. The vertex is (-1, -3) and the V passes through (1, 1). Which equation fits?
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The V is drawn with the vertex (-1, -3) and the point (1, 1) marked. Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The V is drawn with the vertex (-1, -3) and the point (1, 1) marked. −10 −8 −6 −4 −2 2 4 6 8 10 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 1 2 3 4 5 6 7 8 9 10 V - y = 4|x + 1| − 3
- y = 2|x + 1| − 3
- y = 2|x − 1| − 3
- y = |x + 1| − 3
Ren draws a V for a tent outline. The vertex is (2, 5) and the V passes through (4, 1). Which equation fits?
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The V is drawn with the vertex (2, 5) and the point (4, 1) marked. Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The V is drawn with the vertex (2, 5) and the point (4, 1) marked. V −10 −8 −6 −4 −2 2 4 6 8 10 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 1 2 3 4 5 6 7 8 9 10 - y = −4|x − 2| + 5
- y = 2|x − 2| + 5
- y = −2|x − 2| + 5
- y = −2|x + 2| + 5
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?
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The V is drawn with the vertex (-4, 6) and the point (-2, -2) marked. Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The V is drawn with the vertex (-4, 6) and the point (-2, -2) marked. -10 10 10 -10 x y (-4, 6) (-2, -2) - y = −8|x + 4| + 6
- y = 4|x + 4| + 6
- y = −4|x + 4| + 6
- y = −4|x − 4| + 6
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = √x is drawn through (0, 0), (1, 1), (4, 2) and (9, 3); the new graph is not drawn. Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = √x is drawn through (0, 0), (1, 1), (4, 2) and (9, 3); the new graph is not drawn. −10 −8 −6 −4 −2 2 4 6 8 10 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 1 2 3 4 5 6 7 8 9 10 y = √x The new graph is not drawn. Ari graphs y = −√(x − 2) + 4 for a marble track. What is the range?
- All real numbers
- y ≤ 4
- y ≤ 2
- y ≥ 4
Bo graphs y = −√(x + 5) − 1 for a sled run. What is the range?
Use the picture in question 7.
- y ≤ -1
- All real numbers
- y ≤ -5
- y ≥ -1
Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = ∛x is drawn through (-8, -2), (-1, -1), (0, 0), (1, 1) and (8, 2); the new graph is not drawn. Coordinate grid, all four quadrants, each square one unit, -10 to 10 on both axes. The graph of y = ∛x is drawn through (-8, -2), (-1, -1), (0, 0), (1, 1) and (8, 2); the new graph is not drawn. −10 −8 −6 −4 −2 2 4 6 8 10 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 1 2 3 4 5 6 7 8 9 10 y = ?x 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
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
- y ≤ -1
- All real numbers