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Authored by WADIS LIMA
Mathematics
2nd - 10th Grade

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12 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Resolva a equação 4y - 7 = 5.
y = 6
y = 3
y = 2
y = -4
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Resolva a equação 3x + 5 = 20.
x = 10
x = 15
x = 25
x = 5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.Se f (x) = 2x - 1, então:
a) f(0) = 0
b) f(0) = 1
c) f(0) = 2
d) f(0) = -1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual dessas funções, é uma função crescente?
y = 2
y = -2x + 5
y = -x - 1
y = 4x - 10
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Dada a função de primeiro grau f(x) = 2x + 3, qual é o valor de f(10)?
A) 10
B) 13
C) 23
D) 30
E) 35
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a única função que NÃO é afim:
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Toda função afim é do tipo:
y = bx + a
y= b + x + a
y = ax² + b
y = ax + b
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