Algebra Quiz: Quadratic Equations
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Questions and Answers

What is the value of a in the expression a + a + a - a × a × a?

  • a
  • a^2
  • a^3
  • 1 (correct)

What is the value of x in the equation -3 + 2x + σ = 3x × 2x - 12x ÷ 3 + 2?

  • 0
  • 2
  • 3 (correct)
  • 1

What is the value of cb - 3twt3xxx - 2 × 2 in the equation cb - 3twt3xxx - 2 × 2 = 3t20 - 2?

  • t20
  • 2t20 (correct)
  • 20
  • 3t20

What is the value of A when x = -3 and y = 5 in the equation A = 2x + 2t + 20?

<p>35 (B)</p> Signup and view all the answers

What is the value of x in the equation 4xtbx - 2 = 3t20 - 2 × 2?

<p>t20 (A)</p> Signup and view all the answers

What is the value of Gx in the equation Gx = 2 - 3twt3xxx - 2 × 2?

<p>2t20 (A)</p> Signup and view all the answers

What is the value of σ in the equation -3 + 2x + σ = 3x × 2x - 12x ÷ 3 + 2?

<p>4x (C)</p> Signup and view all the answers

What is the value of Δ in the equation a + a + a - a × a × a = Δ?

<p>a^2 (C)</p> Signup and view all the answers

What is the value of x in the equation x ≥ 1 - 2/zotbx?

<p>1/zotbx (A)</p> Signup and view all the answers

What is the value of cb in the equation cb - 3twt3xxx - 2 × 2 = 3t20 - 2?

<p>3t20 + 2 (A)</p> Signup and view all the answers

Study Notes

Solving Equations

  • The equation 3[2 - (1 - x)] = x - 1 has a solution of x = -2.
  • The equation x = -2(x + 6) has a solution of x = 2.

Simplifying Expressions

  • The expression a + a + a - a × a × a simplifies to 2a.
  • The expression -3 + 2x + σ simplifies to 2x - 3 + σ.
  • The expression 3x × 2x - 12x ÷ 3 + 2 simplifies to 6x^2 - 4x + 2.

Inequalities

  • The inequality 2x - 3t ≥ 20 has a solution of x ≥ (20 + 3t) / 2.
  • The inequality z/(2x - 3) ≥ (2x + 1) has a solution of x ≥ (z + 6) / 4.

Values of Variables

  • The value of A = x^2 + 2y when x = -3 and y = 5 is A = 9 + 50 = 59.

Statistics

  • Among 150 MP3 files stored in a phone, the proportion of files is not specified.

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Test your knowledge of quadratic equations in algebra with this short quiz. Solve for x and more!

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