Equation Questions Practice Question and Answer

Q:

If a + b = -2 and a - b = 12, find b. 

1056 0

  • 1
    5
    Correct
    Wrong
  • 2
    -5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    -7
    Correct
    Wrong
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Answer : 4. "-7 "

Q:

Find the exact value of the following question:

$$ 1280÷{2^3} + 1220÷{2^2}-182=?$$

1037 0

  • 1
    None of these
    Correct
    Wrong
  • 2
    263
    Correct
    Wrong
  • 3
    283
    Correct
    Wrong
  • 4
    183
    Correct
    Wrong
  • 5
    253
    Correct
    Wrong
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Answer : 3. "283"

Q:

Solve: 0.05 × 0.4 

1021 0

  • 1
    2
    Correct
    Wrong
  • 2
    0.02
    Correct
    Wrong
  • 3
    0.2
    Correct
    Wrong
  • 4
    0.002
    Correct
    Wrong
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Answer : 2. "0.02 "

Q:

The factors of  $$ x^2-2x-15 $$ are: 

1010 0

  • 1
    (x+5) (x–3)
    Correct
    Wrong
  • 2
    (x–5) (x–3)
    Correct
    Wrong
  • 3
    (x–3) (x–1)
    Correct
    Wrong
  • 4
    (x–5) (x+3)
    Correct
    Wrong
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Answer : 4. "(x–5) (x+3)"

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Answer : 5. "E"

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Answer : 2. "B"

Q:

Factor of $$ {12x^{2}+7y^{2}-12}$$ is__

981 0

  • 1
    (4y+3)
    Correct
    Wrong
  • 2
    (3y-4)
    Correct
    Wrong
  • 3
    (4y-3)
    Correct
    Wrong
  • 4
    (3y+2)
    Correct
    Wrong
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Answer : 3. "(4y-3)"

Q:

If one root of the equation Ax2+Bx+C = 0 is two and a half times the others, then which of the following is TRUE? 

977 0

  • 1
    $$7B^2= 3 CA $$
    Correct
    Wrong
  • 2
    $$7B^2 = 4 CA$$
    Correct
    Wrong
  • 3
    $$7B^2 = 36 CA $$
    Correct
    Wrong
  • 4
    $$10B^2 = 49 CA $$
    Correct
    Wrong
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Answer : 4. "$$10B^2 = 49 CA $$"

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