Review the following concepts if needed:

**Algebra Quadratic Equations Practice Test**

1. If ( *x* + 1)( *x* – 5) = 0, then the solutions are

(a) *x* = 1, –5 (b) *x* = 1,5 (c) *x* = –1,– 5 (d) *x* = –1,5

2. If *x* ^{2} – *x* – 1 = 0, then *x* =

3.

4. To apply the quadratic formula to 2 *x* ^{2} – *x* = 3,

(a) *a* = 2, *b* = – 1, *c* = 3

(b) *a* = 2, *b* = 1, *c* = 3

(c) *a* = 2, *b* = –1, *c* = –3

(d) *a* = 2, *b* = –1, *c* = 0

5. If *x* ^{2} –3 *x* –4 = 0, then the solutions are

(a) *x* = 4, –1

(b) *x* = – 4, 1

(c) *x* = 4, 1

(d) *x* = –4, –1

6. If 2 *x* ^{2} + 4 *x* – 9 = 0, the solutions are

7. If = 0, the solutions are

8. , the solutions are

9.

10. ,

(a) *x* = –3, 2

(b) *x* = 3, –2

(c) *x* = –3 only

(d) *x* = 3 only

**Solutions**

**1** . (d)

**2** . (c)

**3** . (b)

**4** . (c)

**5** . (a)

**6** . (b)

**7** . (a)

**8** . (a)

**9** . (c)

**10** . (d)

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