Eixo de simetria da parábola

Interactive Video
•
Mathematics
•
7th Grade
•
Easy
DALCIO SCHMITZ
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
DRAG AND DROP QUESTION
1 min • 1 pt
Qual é a concavidade de uma parábola quando o coeficiente 'a' é positivo?
(a)2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa o eixo de simetria de uma parábola?
A linha que divide a parábola em duas partes iguais
O ponto mais alto da parábola
A raiz da parábola
A interseção com o eixo y
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula o x do vértice de uma parábola dada a função f(x) = -x² + 2x + 1?
x = -b / 2a
x = b / 2a
x = -a / 2b
x = a / 2b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do eixo de simetria para a função f(x) = -x² + 2x + 1?
x = 2
x = -1
x = 1
x = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se pode calcular o eixo de simetria se conhecemos as raízes da parábola?
Dividindo as raízes
Multiplicando as raízes
Subtraindo as raízes
Somando as raízes e dividindo por dois
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