How do you write a quadratic function in intercept form whose graph has x intercepts 0, 4 and passes through (-1, 20)?
1 Answer
Jun 12, 2017
Explanation:
#"since the x-intercepts are " 0" and "4#
#"then factors are " (x-0)" and " (x-4)#
#rArry=ax(x-4)#
#"to find a substitute " (-1,20)" into the equation"#
#20=a(-1)(-5)rArra=20/5=4#
#rArry=4x(x-4)larrcolor(red)" in intercept form"#
