histograms & frequency polygon-1d1zszy

Part 1

• Quadratic function is one of the form f(x) = ax² + bx + c, where a, b, and c are numbers with a not equal to zero. The graph of a quadratic function is a curve called a parabola.
• Y=3x²+x-3, y=3x²+2x+3
• The first function the curve it up but second function the curve it down
• The graph doesn’t have a minimum point but not maximum
• When a greater than 0 the vertex is minimum, when a less than 0 it
• -1<0, 1>0, -1>0>-1

Part 2

• Y=1x² +0x+1.6 a curve that just touches the x axis (y=0)
• Y=1x² +0x-1.1 one solutions
• Y=1x²+0x-5.9 two solutions