Função quadrática

Função quadrática

10th Grade

10 Qs

quiz-placeholder

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Função quadrática

Função quadrática

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Olinda Semedo

Used 7+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Das expressões seguintes qual define uma função quadrática?

f(x)=-x+2

f(x)=x2-x(x+1)

f(x)=-x(x+6)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A função quadrática definida por g(x)=x2-8x, tem:

1 zero

2 zeros

não tem zeros

tem o -8 como um dos zeros

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A função quadrática definida por g(x)=x2-8x, tem:

V(4,-32)

V(-4,48)

V(4,48)

V(4,32)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O contradomínio da função f(x)= -2x2+5 é:

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

{ }

IR

{ 0 }

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual das seguintes funções quadráticas é par?

h(x)=-x2+x+3

h(x)=2x2+6x

h(x)=3x2+1

h(x) = 4x2-2x+7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual das seguintes funções quadráticas tem um máximo absoluto?

h(x)=-x2+x+3

h(x)=2x2+6x

h(x)=3x2+1

h(x) = 4x2-2x+7

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