Which two equations would be most appropriately solved by using the quadratic formula 3x²=9 -(x-3)(x+9)=0 -2x²+5x=7 0,25x²+0.8x-8=0

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Answer the following for 896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression