Which trinomials are perfect square trinomials? Select each correct answer.

a^2+15a+75
a^2+4a+16
a^2+14a+49
a^2+26a+169

1- identificar select the category that corresponds to each term. january 23 11: 59 pm unlimited attempts remaining grade settings 276-279 vocabulary list modelo fiesta quinceañera casada adolescencia viudo juventud navidad niñez vejez aniversario de bodas divorciado madurez cumpleaños soltera

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d. y +14z

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2