
Monômios e Polinômios
Presentation
•
Mathematics
•
8th Grade
•
Hard
+4
Standards-aligned
MICHELLE KITAKAWA
Used 2+ times
FREE Resource
1 Slide • 11 Questions
1
By MICHELLE KITAKAWA
2
Multiple Choice
Qual é o polinômio que representa a seguinte situação:
“Maria comprou 3 kg de abobrinha por x reais e 2 kg de chuchu por y reais. Quanto ela gastou?”
x+y reais
3x+2y reais
5xy reais
3x-2y reais
3
Multiple Choice
Qual forma reduzida e de o grau do polinômio
0,4x – (0,8y – 1,2xy) – 1,9y + (2,3x + 4y – 0,3xy)
2,7x + 2,9y – 1,5xy, 1º grau
2,7x + 5,1y + 0,9xy, 2º grau
2,7x + 6,7y + 1,5y, 1º grau
2,7x + 1,3y + 0,9xy, 2º grau
4
Multiple Choice
O perímetro da figura é:
18a²+38a
9a²+19a
28a²
23a²+10a
5
Multiple Choice
Sendo P = 7x² + 3x – 5 e Q = 2x² – 8x – 1, qual o polinomio que representa
P+Q
5x-7x
9x²+5x + 6
9x²-5x-6
9x²-11x-6
6
Multiple Choice
Calcule esse produto:
4x . (3x – 5y + 6)
7x-9xy+10x
12x+20y+24x
12x²-20xy+24x
7x²+20xy+24
7
Multiple Choice
Qua a raiz da equação :
x = 6
x = 7
x = 8
x = 9
8
Multiple Choice
Qual o valor numérico da expressão 2xy - 7, sabendo que x = 3 e y = 9
42
48
47
27
9
Multiple Choice
Suponha que o terreno comprado por um proprietário tenha a forma da figura acima e suas medidas sejam representadas, em unidades de comprimento, pelas variáveis X, Y e Z. A expressão algébrica que representa o perímetro desse terreno é:
2x + 3y + z
3x + 4y + 2z
3x + 3y + z
3x + 2y + 3z
10
Multiple Choice
Ana e Marina resolveram fazer bijuterias para vender. Ana fez 25 colares e Marina fez b colares. Juntas elas fizeram um total de 60 colares. Qual seria a equação para descrever essa situação? Quantos colares Marina fez?
b+25=60
25b=60
b+c=60
60-25=35
11
Multiple Choice
Qual o valor da expressão
5² - 3²
4
1
25
16
12
Multiple Choice
Quanto é o cubo de 4?
7
12
21
64
By MICHELLE KITAKAWA
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