Answer:
Step-by-step explanation:
a) 3x^2-12x-11=3*x^2-3*2*2*x+3*4-23=3*(x^2-2*2x+2^2)-23=3*(x-2)^2-23
so a= -2 ,b= -23
b) x1=[12+V(12^2-4*3* -11)]/6=12/6+V(144+132)/6=2+2/6V69=2+1/3V69=
2+V69/9=2+V23/3
c=2, d= 23/3
Y = -10 and x = -13 (substitute 2y + 7 for x)
Answer:
the answer
Step-by-step explanation:
of 100 *300 is 0
Answer:
Step-by-step explanation:
i) the given linear inequality is
ii) the first statement is NOT TRUE. the slope of the is
.
iii) the second statement is NOT TRUE. The area above the line is shaded.
iv) the third statement is NOT TRUE. (0,0) is not a solution to the inequality.
v) the fourth statement is TRUE.