Inequality کا حساب کیسے لگائیں
Inequality کیا ہے؟
A linear inequality solver finds all values of x satisfying an inequality like 2x ≤ 10. Unlike equations with one solution, inequalities have a range of solutions, displayed as an interval.
فارمولا
Linear: ax + b > c ⟹ x > (c−b)/a (if a>0); Quadratic: determine sign across roots using parabola shape
- x
- variable
- a, b, c
- coefficients
مرحلہ وار گائیڈ
- 1Solve like an equation, but flip inequality when multiplying/dividing by negative
- 22x ≤ 10 → x ≤ 5
- 3−3x > 6 → x < −2 (flip when dividing by −3)
- 4Represent solution as interval: (−∞, 5]
حل شدہ مثالیں
ان پٹ
2x ≤ 10
نتیجہ
x ≤ 5 (interval: (−∞, 5])
ان پٹ
−3x > 6
نتیجہ
x < −2 (interval: (−∞, −2))
اکثر پوچھے جانے والے سوالات
What happens to the inequality sign when multiplying by a negative number?
The sign flips! If −x > 5, then x < −5 (reverse the > to <).
How do I solve a compound inequality like 2 < x < 5?
Treat it as two inequalities: 2 < x AND x < 5. Solve each, then find the intersection.
Can I solve quadratic inequalities graphically?
Yes! Sketch the parabola, find roots, and determine where y > 0 or y < 0 based on the shape.
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