Trigonometry Practice — Right Triangles
Trigonometry Practice — Right Triangles. Practice questions to deepen understanding of trigonometry in right triangles. Online math practice with full solutions and detailed explanations.
Practice sine, cosine, tangent, and solving right triangles.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x < 12\)
1. The equation: 3x < 12
2. Divide by 3: x < 12/3 = 4
3. The solution: x < 4
4. On the number line: Open circle at 4, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(x < 2\)
1. The equation: 1x < 2
2. Divide by 1: x < 2/1 = 2
3. The solution: x < 2
4. On the number line: Open circle at 2, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(x < 0\)
1. The equation: 1x < 0
2. Divide by 1: x < 0/1 = 0
3. The solution: x < 0
4. On the number line: Open circle at 0, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x < -9\)
1. The equation: 3x < -9
2. Divide by 3: x < -9/3 = -3
3. The solution: x < -3
4. On the number line: Open circle at -3, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x > 0\)
1. The equation: 3x > 0
2. Divide by 3: x > 0/3 = 0
3. The solution: x > 0
4. On the number line: Open circle at 0, mark Right.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x ≥ 15\)
1. The equation: 3x ≥ 15
2. Divide by 3: x ≥ 15/3 = 5
3. The solution: x ≥ 5
4. On the number line: Closed circle at 5, mark Right.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x ≥ 6\)
1. The equation: 3x ≥ 6
2. Divide by 3: x ≥ 6/3 = 2
3. The solution: x ≥ 2
4. On the number line: Closed circle at 2, mark Right.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x ≥ -6\)
1. The equation: 3x ≥ -6
2. Divide by 3: x ≥ -6/3 = -2
3. The solution: x ≥ -2
4. On the number line: Closed circle at -2, mark Right.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x > 9\)
1. The equation: 3x > 9
2. Divide by 3: x > 9/3 = 3
3. The solution: x > 3
4. On the number line: Open circle at 3, mark Right.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(3x < 24\)
1. The equation: 3x < 24
2. Divide by 3: x < 24/3 = 8
3. The solution: x < 8
4. On the number line: Open circle at 8, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(-2x > 0\)
1. The equation: -2x > 0
2. Divide by -2: x < 0/-2 = 0
⚠️ Note: when dividing by a negative number, the sign flips!
3. The solution: x < 0
4. On the number line: Open circle at 0, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(-x > 10\)
1. The equation: -1x > 10
2. Divide by -1: x < 10/-1 = -10
⚠️ Note: when dividing by a negative number, the sign flips!
3. The solution: x < -10
4. On the number line: Open circle at -10, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(-2x ≥ 18\)
1. The equation: -2x ≥ 18
2. Divide by -2: x ≤ 18/-2 = -9
⚠️ Note: when dividing by a negative number, the sign flips!
3. The solution: x ≤ -9
4. On the number line: Closed circle at -9, mark Left.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(-2x < 2\)
1. The equation: -2x < 2
2. Divide by -2: x > 2/-2 = -1
⚠️ Note: when dividing by a negative number, the sign flips!
3. The solution: x > -1
4. On the number line: Open circle at -1, mark Right.
📊 Solve Inequality and Mark on Number Line
Solve and mark on number line: \(-3x > -30\)
1. The equation: -3x > -30
2. Divide by -3: x < -30/-3 = 10
⚠️ Note: when dividing by a negative number, the sign flips!
3. The solution: x < 10
4. On the number line: Open circle at 10, mark Left.