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Topic: Algebra

The quadratic x^2 + px + -15 = 0 has roots -3 and 5. Find p.

  • 15
  • 2
  • -2
  • -15
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  • -2


The quadratic x^2 + px + 8 = 0 has roots -4 and -2. Find p.

  • 6
  • 8
  • -6
  • -8
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  • 6

The quadratic x^2 + px + -5 = 0 has roots 5 and -1. Find p.

  • 5
  • -4
  • -5
  • 4
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  • -4

The quadratic x^2 + px + 15 = 0 has roots -5 and -3. Find p.

  • 15
  • -15
  • -8
  • 8
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  • 8

The quadratic x^2 + px + -10 = 0 has roots -5 and 2. Find p.

  • 3
  • 10
  • -10
  • -3
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  • 3

The quadratic x^2 + px + -4 = 0 has roots 1 and -4. Find p.

  • 3
  • 4
  • -4
  • -3
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  • 3

The quadratic x^2 + px + -14 = 0 has roots -2 and 7. Find p.

  • -14
  • -5
  • 14
  • 5
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  • -5


The quadratic x^2 + px + -24 = 0 has roots 6 and -4. Find p.

  • -2
  • 24
  • 2
  • -24
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  • -2

The quadratic x^2 + px + 24 = 0 has roots 8 and 3. Find p.

  • 24
  • 11
  • -11
  • -24
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  • -11

Find the conjugate of z=3+3i.

  • 3+3i
  • 3-3i
  • -3+3i
  • -3-3i
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  • 3-3i

For z=0+4i, find z·conjugate(z).

  • 0
  • 8
  • 16
  • -16
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  • 16

Find the conjugate of z=2+2i.

  • -2+2i
  • 2-2i
  • 2+2i
  • -2-2i
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  • 2-2i

For z=4+3i, find z·conjugate(z).

  • 6
  • 25
  • 8
  • 7
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  • 25

Find the conjugate of z=5+1i.

  • -5-1i
  • 5+1i
  • -5+1i
  • 5-1i
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  • 5-1i


For z=3+-2i, find z·conjugate(z).

  • 5
  • 6
  • 13
  • -4
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  • 13

For z=6+1i, find z·conjugate(z).

  • 2
  • 12
  • 37
  • 35
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  • 37

Find the conjugate of z=-5+-2i.

  • -5–2i
  • 5+-2i
  • 5–2i
  • -5+-2i
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  • -5--2i

For z=-3+-3i, find z·conjugate(z).

  • 18
  • -6
  • 0
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  • 18

Find the conjugate of z=-4+3i.

  • 4-3i
  • -4+3i
  • -4-3i
  • 4+3i
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  • -4-3i

For z=-4+-2i, find z·conjugate(z).

  • 12
  • -4
  • 20
  • -8
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  • 20

Find the conjugate of z=-4+-2i.

  • 4–2i
  • -4–2i
  • -4+-2i
  • 4+-2i
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  • -4--2i


For z=3+-4i, find z·conjugate(z).

  • -7
  • 25
  • 6
  • -8
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  • 25

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