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1
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Without graphing, tell whether the point (2, –18) is on the graph of  .
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2
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Without graphing, tell whether the point (–5, 8) is on the graph of  .
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3
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Tell whether the graph of the quadratic function  opens upward
or downward. Explain. A) | Because  , the parabola opens
downward. | B) | Because  , the parabola opens
downward. | C) | Because  , the parabola opens
upward. | D) | Because  , the parabola opens
upward. |
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4
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Find the zeros of the quadratic function  from the
graph.  A) | 1.5 | C) | –8 | B) | 4 and –1 | D) | 2 and –8 |
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5
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Find the axis of symmetry of the graph of  .
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6
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Find the axis of symmetry of the parabola. 
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7
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Find the vertex of the parabola  .  A) | (–3, 2) | C) | (–2, 0) and (–4, 0) | B) | (2,
–3) | D) | (3,
–70) |
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8
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Find the roots of  . A) | The only root is 2. | C) | The only root is –2. | B) | The roots are 1 and
3. | D) | The roots are 2 and
–2. |
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9
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A golfer hits the golf ball. The quadratic function  gives the
time x seconds after the golf ball is at height 0 feet. How long does it take for the golf
ball to return to the ground? A) | 16 sec | C) | 10 sec | B) | 5 sec | D) | 80 sec |
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10
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Solve the quadratic equation  by factoring. A) | –4 and 2 | C) | –4 and –2 | B) | 4 and
2 | D) | 4 and
–2 |
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11
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Solve the quadratic equation  by factoring. A) | 3 | C) |  | B) |  | D) | –3 |
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12
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Solve  by using square roots. A) | The solutions are 2 and –2. | C) | There is no
solution. | B) | The solution is 2. | D) | The solution is –2. |
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13
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Solve 64x2 – 121 = 0 by using square roots.
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14
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Complete the square for  to form a perfect square
trinomial.
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15
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Solve  by completing the square. A) | 3 and –2 | C) | 3 and 0 | B) | 6 and –2 | D) | 6 and 3 |
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16
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Solve  by using the Quadratic Formula.
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17
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Solve: 
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18
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Solve  .
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19
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Find the number of solutions of the equation  by using the
discriminant. A) | There is one solution. | B) | Cannot determine the number of solutions. The
discriminant can only be used for a quadratic equation, and  is not a
quadratic equation. | C) | There are no real
solutions. | D) | There are two solutions. |
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20
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Find the number of x-intercepts of  by using the
discriminant. A) | The function has two x-intercepts. | C) | The function has one
x-intercept. | B) | The function has no
x-intercepts. | D) | The
function has three x-intercepts. |
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21
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Simplify  . A) |  | C) | 8 | B) | –6 | D) |  |
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22
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A) |  | C) | 0 | B) |  | D) | –64 |
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23
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Subtract. 
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24
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Multiply. 
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25
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Factor  .
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