3/28 Equivalent Day 1 - DIANA FRANCHINI | Biblioteka

Obavezno

1

Which expression is equivalent to 2x^{2} + (4x - 6x^{2}) +9 - (6x + 3)?

-11x+6

-4x^{2}-2x+6

-4x^{2}-2x+12

18x+12

Obavezno

1

Which expression is equivalent to -4(1 - 7r) +2(-5r+6)?

8 + 20r

8 + 13r

8 + 18r

8 + 9r

Obavezno

1

Which expression is equivalent to -6x(3x-2)-3(x+3)?

4x^{2} - 56x +32

-18x^{2} + 8x -9

6x^{2}-13x

-18x^{2} + 9x -9

Obavezno

1

Which expression is equivalent to (b-1)(3b-1)?

3b^{2} +1

3b^{2} - 2b -1

3b^{2} - 4b +1

3b^{2} + 2b -1

Obavezno

1

Which expression is equivalent to (8n^{3} - 6n^{4} - 4n)+(6n^{3} +4n-8n^{4})?

-n^{4}+14n^{3}

-14n^{4}+14n^{3}

-8n^{4}+14n^{3}

-n^{4}+18n^{3}

Obavezno

1

Which expression is equivalent to 7(3 + x) + ( 5 - 4x) ?

17x + 5

7x + 26

3x + 26

11x + 26

1

Which function is equivalent to f(x) =\frac{3}{4}x^{2}+\frac{9}{2}x+\frac{55}{4}?

f(x)=-\frac{3}{4}(x-3)^{2}-7

f(x)=\frac{3}{4}(x+3)^{2}+7

f(x)=\frac{3}{4}(x-3)^{2}+7

f(x)=-\frac{3}{4}(x+3)^{2}-7

1

Which expression is equivalent to x² - 4x - 21?

(x + 4)( x - 7)

(x + 7)( x - 3)

(x - 4)( x + 21)

(x + 3)( x - 7)

1

Which function is equivalent to f(x)=-(x+5)^{2}+12?

f(x) =-x^{2}+10x-13

f(x) =-x^{2}-10x-13

f(x) =-x^{2}-10x+13

f(x) =-x^{2}+10x+13

1

Which expression is equivalent to (2x-4)^2?

4x^{2}-16x+16

4x^{2}-4

4x^{2}-8x+4

4x^{2}+16

1

Which expression is equivalent to (x-2)(3x+4)?

3x^{2}+10x+8

12x^{2}-3x-9

3x^{2}-2x-8

3x^{2}-10x-8

1

Which expression is equivalent to x^{2}-17x-60?

(x-20)(x+3)

(x-20)(x-12)

(x-5)(x-12)

(x+5)(x-12)

1

Which expression is equivalent to 4v^{2} (4v - 4) ?

9v - 15

4v + 10

16v^{2} - 16v

16v^{3} - 16v^{2}

1

Which expression is equivalent to \sqrt{2048}?

32\sqrt{2}

20

-7\sqrt{6}

-9\sqrt{5}

1

Which expression is equivalent to -2\sqrt{75}?

-42\sqrt{5}

-60\sqrt{2}

-10\sqrt{3}

-48