Question

For what value of k, do the equations 2x – 3y + 10 = 0 and 3x + ky + 15 = 0 represent

coincident lines;

a) −9

2

b) 9

2

c) -11

d) -7

Q.If the equation 9y2 + 6ky + 4 = 0 has equal roots, then the value of k

a) ±1

b) ±2

c) ±3

d) ±4​

Answer 1

Answer:

z woo quite quo so zl stop so