For what values of ‘k’ will the pair of equations 3x + 4y = 12 and kx + 12y = 30 not have a unique solution?
A. 12
B. 9
C. 3
D. 7.5
BUPFBSসাধারণ গণিতস্থানাঙ্ক জ্যামিতিসরলরেখার ঢাল ও সমীকরণ (Topic Practice)BUP - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
9
Explanation:
Related Questions (Any University/Year)
- y = 2 + 3x সমীকরণটির ঢাল কত ?
- In the figure below, what is the slope of line
- The slope of the line passing through the point (5,5)is 5/6. All of the following points could be on the line except
- In what ratio must a grocer mix two varieties of pulses costing Tk. 15 and TK. 20 per kg respectively so as to get a mixture worth Tk. 16.50 kg?
- A boat can travel with a speed of 13 km/hr in still water . If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream .
- A ride in a taxicab costs $1.25 for the first mile and $1.15 for each additional mile. Which of the following could be used to calculate the total cost y of a ride that was x miles?
- Find the slope of the line 5x-5y=7
- নিচের কোনটি সরল রেখার সমীকরণ নির্দেশ করে না?
- Solution Y is 40 percent sugar by volume and solution X is 20 percent sugar by volume. how many gallons of solution that is 25 percent sugar by volume/
- 2x + 3y =7 , 5x -2y =7, 5x-2y -8 =0 হলে (x,y) = কত?
- If Sufian's salary is 25% more than that of Habib , what is the ratio of the salary of Habib and Sufian ?
- In a 729 liters mixture of milk and water , the ratio of milk to water is 7:2 To get a new mixture containing milk and water in the ratio 7:3 the amount of water to be added is -
- A ও B দুই বিন্দুর দূরত্ব = 60 m, উচ্চতা ভূমি থেকে যথাক্রমে 4 m ও 16 m হলে, নতির (slope) পরিমান কত?
- Which of the following equations does not represent a straight line?
- \(x-3y=0\) সরল রেখাটি \(x\) অক্ষের যে বিন্দুতে মিলিত হয় তার স্থানাঙ্ক হলো-
- If A and B are in the ratio 3 : 4 and B and C in the ratio 12 :13 then A and C will be in the dratio-
- There are two numbers , 1 st number is 12 more than the 2nd number . The average of the two numbers is 19. If 2 is added in both numbers , find the ratio of the numbers .
- নিচের কোনটি সরলরেখার সমীকরণ?
- Find the x-intercept of y = - 2/3 * x + 4
- A and B started a partnership business investing some in the ratio of 3:5 , C joined them after six months with an amount equal to that of B. In what proportion joined them after six months with an amount equal that of B. In what proportion should the profit at the and of the first year distributed among A. B and C