Q1. Which of the following equations has 2 as a root? *
1 point
2x² - 7x + 6 = 0
x² + 3x - 12 = 0
x² - 4x + 5 = 0
3x² - 6x - 2 = 0
Q2.The value of q if x = 2 is a solution of 8x² + qx - 4 = 0 is _____ *
2 points
-28
-14
14
28
Q3. For the quadratic equation x² + 10 x - 7 = 0, the values of a , b , c are *
1 point
a = -1, b = 10, c = 7
a = 1, b = -10, c = 7
a = 1, b = 10, c = -7
a = 1, b = 10, c = 7
Q4. If x = - 2 is a root of equation x² - 4x + K = 0 then value of K is *
2 points
-12
12
8
-8
Q5. For the quadratic equation x² + 2x - 143 = 0, the values of b is *
1 point
1
-143
2
-1
Q6. In the quadratic equation x² - 15 x + 54 = 0, the co-efficient of x² is *
1 point
15
-15
54
1
Q7. Which of the following equations has roots 3 , 5 ? *
2 points
x² - 15 x + 8 = 0
x² - 8 x + 15 = 0
x² + 3 x + 5 = 0
x² + 8 x - 15 = 0
answer plz
Answers
Answered by
0
Answer:
I answer all this question
Answered by
1
Answer:
which of following equation has root 2
Similar questions