1) De o grau de cada um dos seguintes monômios:
a) 5x² =
b) 4x⁵y³ =
c) -2xy² =
d) a³b² =
e) 7xy =
f) -5y³m⁴=
g) 6abc =
h) 9x³y²z⁵ =
a) 5x² =
b) 4x⁵y³ =
c) -2xy² =
d) a³b² =
e) 7xy =
f) -5y³m⁴=
g) 6abc =
h) 9x³y²z⁵ =
2) Efetue:
a) (+7x) + (-3x) = b) (-8x) + (+11x) =
c) (-2y) + (-3y) =
d) (-2m) + (-m) =
e) (+5a²) + (-3a²) =
f) (+5x) + (-5x) =
g) (+6x) + (-4x) =
h) (-6n) + (+n) =
i) (+8x) – ( -3x) =
j) (-5x) – (-11x) =
k) (-6y) – (-y) =
l) (+7y) – (+7y) =
m) (-3x) – (+4x) =
n) (-6x) – ( -x) =
o) (+2y) – (+5y) =
p) (-m) –(-m) =
3) Efetue :
a) (+ 3xy) – (-xy) + (xy) =
b) (+ 15x) – (-3x) – (+7x) + (-2x) =
c) (-9y) –( +3y) – (+y) + (-2y) =
d) (3n) + (-8n) + (+4n) – (-5n) – (-n) =
4) Efetue:
a) (+1/2x) + (-1/3x) =
b) ( -2/5x) + (-2/3x) =
c) (-7/2y) + (+1/4y) =
d) (+2m) +( -3/4m) =
e) (+2/3x) - ( -3/2x) =
f) (-3/4y) – (+1/2y) =
g) (+2/5m) – (+2/3m) =
h) (-3x) –(-2/5x) =
5) Calcule os monômios
a) 2x + 3x =
b) 6y – 4y + 5y
c) 3a – 6a – a =
d) 2/5 x²y - 3/2 x²y =
e) 1/2ab – 3ab =
f) 7b + 4b – 6b =
g) 3/2 y – 2y + 7/3 y
h) 3/5 x + x =
i) 8xy – 4xy + 4xy – 8xy =
j) 3/7 x + 41/8 x =
k) -x² + 2/5 x² =
l) -3p -7p + 18p =
6) Calcule:
a) (+5x) . (-4x²) =b) (-2x) . (+3x) =
c) (+5x) . (+4x) =
d) (-n) . (+ 6n) =
e) (-6x²) . (+3x²) =
f) (-2y) . (5y) =
g) (+4x²) . (+5x³) =
h) (2y) . (-7x) =
i) (-2x) . (-3y) =
j) (+3x) . (-5y) =
k) (-3xy) . (-2x) =
g) (+4x²) . (+5x³) =
h) (2y) . (-7x) =
i) (-2x) . (-3y) =
j) (+3x) . (-5y) =
k) (-3xy) . (-2x) =
7) Calcule:
a) (2xb) . (4x) =
b) (-5x²) . (+5xy²) =
c) (-5) . (+15x²y) =
d) (-9X²Y) . (-5XY²) =
e) (+3X²Y) . (-XY) =
f) (X²Y³) . (5X³Y²) =
g) (-3x) . (+2xy) . ( -x³) =
h) (-x³) . (5yx²) . (2y³) =
i) (-xy) . (-xy) . (-xy) =
j) (-xm) . ( x²m) . (3m) =
8) Calcule:
a) (1/2x) . (3/5x³) =
b) (-2/3x) . (+3/4y) =
c) (-1/3x²) . (4/2x³) =
d) (-x²/3) . (-x/2) =
e) (-2x/3) . (6x/5) =
f) (-10xy) . ( xy²/3) =
a) (2xb) . (4x) =
b) (-5x²) . (+5xy²) =
c) (-5) . (+15x²y) =
d) (-9X²Y) . (-5XY²) =
e) (+3X²Y) . (-XY) =
f) (X²Y³) . (5X³Y²) =
g) (-3x) . (+2xy) . ( -x³) =
h) (-x³) . (5yx²) . (2y³) =
i) (-xy) . (-xy) . (-xy) =
j) (-xm) . ( x²m) . (3m) =
8) Calcule:
a) (1/2x) . (3/5x³) =
b) (-2/3x) . (+3/4y) =
c) (-1/3x²) . (4/2x³) =
d) (-x²/3) . (-x/2) =
e) (-2x/3) . (6x/5) =
f) (-10xy) . ( xy²/3) =
9) Calcule os quocientes:
a) (15x⁶) : (3x²) =
b) (16x⁴) : (8x) =
c) (-30x⁵) : (+3x³) =
d) (+8x⁶) : (-2x⁴) =
e) (-10y⁵) : (-2y) =
f) (-35x⁷) : ( +5x³) =
g) (+15x⁸) : (-3x²) =
h) (-8x) : (-8x ) =
i) (-14x³) : (+2x²) =
j) (-10x³y) : (+5x²) =
k) (+6x²y) : (-2xy) =
l) (-7abc) : (-ab) =
m) (15x⁷) : ( 6x⁵) =
n) (20a³b²) : ( 15ab²) =
o) (+1/3x³) : (-1/5x²) =
p) (-4/5x⁵y) : ( -4/3x³y) =
q) (-2xy²) : ( xy/4) = (R: -8y)
10) Calcule:
a) (15x⁶) : (3x²) =
b) (16x⁴) : (8x) =
c) (-30x⁵) : (+3x³) =
d) (+8x⁶) : (-2x⁴) =
e) (-10y⁵) : (-2y) =
f) (-35x⁷) : ( +5x³) =
g) (+15x⁸) : (-3x²) =
h) (-8x) : (-8x ) =
i) (-14x³) : (+2x²) =
j) (-10x³y) : (+5x²) =
k) (+6x²y) : (-2xy) =
l) (-7abc) : (-ab) =
m) (15x⁷) : ( 6x⁵) =
n) (20a³b²) : ( 15ab²) =
o) (+1/3x³) : (-1/5x²) =
p) (-4/5x⁵y) : ( -4/3x³y) =
q) (-2xy²) : ( xy/4) = (R: -8y)
10) Calcule:
a) (10xy) : (5x) =
b) (x³y²) : (2xy) =
c) (-3xz²) : (-3xz) =
d) (-14m⁶n³) : ( 7m⁴n²) =
e) (1/2a³b²) : (-a³b²) =
f) (a⁴b³) : (5a³b) =
g) (-3x⁵y³) : (-4x²y) =
h) (-2/3 x⁴z⁴) : 5/3 z⁴ =
11) Calcule:
a) ( + 3x²)² =
b) (-8x⁴)² =
c) (2x⁵)³ =
d) (3y²)³ =
e) (-y²)⁴ =
f) (-mn)⁴ =
g) (2xy²)⁴ =
h) (-4x²b)² =
i) (-3y²)³ =
j) (-6m³)² =
k) (-3x³y⁴)⁴ =
l) (-2x²m³)³ =
12) Calcule:
a) (x²/2)³ =
b) (-x²/4)² =
c) (-1/2y)² =
d) (+2/3x)³ =
e) (-3/4m)² =
f) (-5/6m³)² =
a) ( + 3x²)² =
b) (-8x⁴)² =
c) (2x⁵)³ =
d) (3y²)³ =
e) (-y²)⁴ =
f) (-mn)⁴ =
g) (2xy²)⁴ =
h) (-4x²b)² =
i) (-3y²)³ =
j) (-6m³)² =
k) (-3x³y⁴)⁴ =
l) (-2x²m³)³ =
12) Calcule:
a) (x²/2)³ =
b) (-x²/4)² =
c) (-1/2y)² =
d) (+2/3x)³ =
e) (-3/4m)² =
f) (-5/6m³)² =
13) Calcule:
a) √4x⁶ =
b) √x²y⁴ =
c) √36c⁴ =
d) √81m² =
e) √25x¹² =
f) √49m¹⁰ =
g) √9xb² =
h) √9x²y² =
i) √16x⁸ =
14) Calcule:
a) √x²/49 =
b) √x²/25 =
c) √4/9x⁸ =
d) √49/64x¹⁰ =
e) √25/81yx⁶ =
f) √121/100 x²m⁸ =
a) √4x⁶ =
b) √x²y⁴ =
c) √36c⁴ =
d) √81m² =
e) √25x¹² =
f) √49m¹⁰ =
g) √9xb² =
h) √9x²y² =
i) √16x⁸ =
14) Calcule:
a) √x²/49 =
b) √x²/25 =
c) √4/9x⁸ =
d) √49/64x¹⁰ =
e) √25/81yx⁶ =
f) √121/100 x²m⁸ =