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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^2

a^3

1 (correct)

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

3 (correct)

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

t20

2t20 (correct)

3t20

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

35 (B) Signup and view all the answers

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

t20 (A) Signup and view all the answers

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

2t20 (A) Signup and view all the answers

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

4x (C) Signup and view all the answers

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

a^2 (C) Signup and view all the answers

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

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

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

3t20 + 2 (A) 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

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Description

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