Functii clasa a VIII-a
Authored by Ivașcu Roxana
Mathematics
8th Grade
Used 5+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Adevărat
Fals
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fie f:ℝ→ℝ, f(x) = 5x - 2.
Fie f:ℝ→ℝ, f(x) = 5x - 2.
Valoarea lui m pentru care
punctul A(m; 8) aparține graficului funcției f este ...
m=0
m=1
m=2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fie f:ℝ→ℝ, f(x) = x +7.
Fie f:ℝ→ℝ, f(x) = x +7.
Atunci f(-3) este egal cu ...
4
10
-4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fie f:ℝ→ℝ, f(x) = 2x+1.
Fie f:ℝ→ℝ, f(x) = 2x+1.
Punctul de intersectie al graficului functiei f cu axa Oy este ...
A(1, 0)
B(0, 1)
C(0, -2)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fie f:ℝ→ℝ, f(x) = 2x +4.
Fie f:ℝ→ℝ, f(x) = 2x +4.
Reprezentarea grafica a functiei f este ...
o dreapta
o semidreapta
un segment
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fie f:ℝ→ℝ, f(x) = -2x +4 si g:ℝ→ℝ, g(x) = x +1
Fie f:ℝ→ℝ, f(x) = -2x +4 si g:ℝ→ℝ, g(x) = x +1
Punctul de intersectie a celor 2 grafice este ...
P(1, 3)
P(1, 2)
P(-1, -2)
P(1,0)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fie functia f:ℝ→ℝ, f(x) = x+1.
Calculati f(1)+f(2)+f(3)+...+f(10).
Fie functia f:ℝ→ℝ, f(x) = x+1.
Calculati f(1)+f(2)+f(3)+...+f(10).
65
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130
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