Question: in the xy - coordinate plane , the graph of y = - x ^ 2 + 4 intersects line l at ( p , 5 ) and ( t , - 7 ) . what is the least possible value of the slope of line l ?
A) 6
B) 2
C) -4
D) -6
E) -10
Correct answer: c
Grade: 8 | Topic: Functions | Difficulty: Hard | Standard: 8.F.B.4