
Função de 1º grau
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Medium
JULIO CÉSAR BILIK
Used 8+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considerando a função f(x) = 2x+5, pode-se afirmar que o coeficiente angular(a) e o coeficiente linear(b) são respectivamente:
a=2 e b =5
a e b são nulos
a=5 e b=2
a+b=3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função f(x) = -2x-8 tem como coeficiente angular o valor:
-8
2
-2
8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Função f(x) = 3x-1 tem como coeficiente linear:
-1
3
1
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considerando a função f(x) = 2x-10, pode-se afirmar que sua raíz equivale a:
-10
2
5
-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função f(x) = -10x +2 tem como raíz:
5
-5
0,2
-0,2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um taxista cobra um valor fixo de R$ 10,00 e mais R$ 2,50 por quilômetro rodado. è correto afirmar que a Lei da função valor cobrado C(d) em função da distância (d) equivale a:
C(d) = 5d+10
C(d) = 10+2,5d
C(d) = 2,5+10d
C(d)= -2,5d+10
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