B for sure!!!!!!!!!!!!!!!!!!!
(7)^2-4(5)(-6)=
49+120=169 is the answer
W=-21 Move the four over to the 24 leaving you with negative 20 and then “subtract” one
Answer:
x -2y -2=0
Step-by-step explanation:
using the formula, m= ( Y2 - Y1)/( X2-X1)
the gradient is found. the coordinates chosen are (2,0) and ( 0,-1)
the equation of the line is obtained using the formula
y -y1= m(x -x1)