Equations and inequalities

Question 1 of 10

Question 1 of 10

Solve (x − 2)(x + 3) ≥ 0.

A. x ≤ −3 or x ≥ 2 B. −3 ≤ x ≤ 2 C. x ≥ 2 only D. x ≤ −3 only

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Question 2 of 10

Question 2 of 10

Solve the simultaneous equations 3x − 2y = 4 and 2x + 3y = 7.

A. x = 2, y = 1 B. x = 1, y = 2 C. x = 3, y = 2.5 D. x = 0, y = −2

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Question 3 of 10

Question 3 of 10

Solve 2x − 3 ≥ 5.

A. x ≥ 4 B. x ≤ 4 C. x ≥ 1 D. x > 8

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Question 4 of 10

Question 4 of 10

Solve x² + 2x − 15 = 0.

A. x = 15 or x = −1 B. x = −3 or x = 5 C. x = 3 or x = −5 D. x = 5 or x = 3

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Question 5 of 10

Question 5 of 10

Solve the equation 3^(x + 1) = 81.

A. 3 B. 4 C. 2 D. 27

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Question 6 of 10

Question 6 of 10

Solve 3x² − 5x − 2 = 0.

A. x = 2 or −1/3 B. x = −2 or 1/3 C. x = 1 or −2/3 D. x = 3 or −2

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Question 7 of 10

Question 7 of 10

Solve √(x + 6) = x.

A. 3 B. −2 C. 3 or −2 D. 6

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Question 8 of 10

Question 8 of 10

Solve x² − 7x + 10 = 0.

A. x = −2 or −5 B. x = 1 or 10 C. x = 2 or 5 D. x = −1 or 10

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Question 9 of 10

Question 9 of 10

Solve the simultaneous equations 2x + y = 8 and x − y = 1.

A. x = 3, y = 2 B. x = 2, y = 4 C. x = 4, y = 0 D. x = 1, y = 6

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Question 10 of 10

Question 10 of 10

Solve 2x² = 18.

A. x = ±3 B. x = 3 only C. x = 9 D. x = ±9

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