y = 2 + 3x সমীকরণটির ঢাল কত ?
A. 2
B. 3
C. 5
D. -1
JUUnit-BSet-3সাধারণ গণিতস্থানাঙ্ক জ্যামিতিসরলরেখার ঢাল ও সমীকরণ (Topic Practice)JU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
3
Explanation:

Another Explanation (5): ```html
y = 2 + 3x সমীকরণের ঢাল নির্ণয়
সরলরেখার সমীকরণ y = mx + c এর সাথে তুলনা করে সহজেই ঢাল নির্ণয় করা যায়। এখানে:
- m = ঢাল (slope)
- c = y-অক্ষ ছেদক (y-intercept)
সমীকরণের বিশ্লেষণ
প্রদত্ত সমীকরণ: y = 2 + 3x
এটাকে y = mx + c আকারে সাজানো যায়: y = 3x + 2
তুলনা করে পাই:
| উপাদান | y = mx + c | y = 3x + 2 |
|---|---|---|
| m (ঢাল) | m | 3 |
| c (y-অক্ষ ছেদক) | c | 2 |
ফলাফল
অতএব, y = 2 + 3x সমীকরণটির ঢাল হলো 3। 🎉
সহজ ভাষায় বললে, x এর সহগই হলো সরলরেখাটির ঢাল। 🤓
গুরুত্বপূর্ণ বিষয়:
- ঢাল একটি সরলরেখার খাড়া হওয়ার মাত্রা নির্দেশ করে। ⛰️
- যদি ঢাল ধনাত্মক হয়, তবে রেখাটি বাম থেকে ডানে উপরের দিকে যায়। 📈
- যদি ঢাল ঋণাত্মক হয়, তবে রেখাটি বাম থেকে ডানে নিচের দিকে যায়। 📉
- যদি ঢাল শূন্য হয়, তবে রেখাটি x-অক্ষের সমান্তরাল হয়। ↔️
আশা করি বুঝতে পেরেছেন! 👍
আরও জানতে চান? 🤔 অন্য কোনো গাণিতিক সমস্যা নিয়ে আলোচনা করতে পারেন। ➕➖➗
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