Given the quadratic function, to get the roots we factorize:
3x²-4x-7=0
3x²+3x-7x-7=0
3x(x+1)-7(x+1)=0
(3x-7)(x+1)=0
thus the roots are
x=-1 or x=3/7
thus the sum of the roots will be:
-1+3/7
=-4/7
It would be X = 8 and since there is no slope there is no Y
21 customers because add 21+21 and u get 42
Answer:
31
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
(3.5 to 14)×10=
(35 to 140)÷7=
(5 to 20) which equals 1/4
so every pound of clay, 4 vases can be made
31÷4=7.75