Question

Just the answer to check, please be clear. I will give you thumps up Immediately 
3. Which ordered pair belongs to the graph of the product of (2x - 1) (2x + 1) 

¿Cuál par ordenado pertenece a la gráfica del producto de (2x - 1)(2x + 1)? A (2.7) B (0.0) C (-1,3) D (-2.-9)

5. Which expression is the simplest form of the following sum of polynomials

6. The line y = x + 8 passes through the point (-1, 7). What is the equation that represents a line that passes through the same point?

7. Look at the diagram showing the PQR and the measurement of the two sides. -What is the equation that correctly represents the area of ​​the square that makes up the QR ?

8. What is the product of (x - 1) (2x + 3)

9.Look at the following quadratic equations.  Which statement is TRUE?  

f(x) = 2x^2 + 3

g(x) = -2x^2 + 3

A) The graphs of f and g are reflections with respect to the vertex, 

B )The graph of g is a horizontal translation of that of f.  

C) The graph of g is a vertical translation of that of f.  

D )The graphs of f and g have different vertices.

10.Which algebraic expression represents the perimeter in units of a rectangle whose length is 3 units more than its width, x?

A) x(x+3) 

B) 4x+6

C) 2x + 3

D) 8x

11.  Sebastián and Amanda plant plants in two school gardens.  Sebastián has 5 plants and will plant 3 plants every week.  Amanda has no plants planted and will plant 4 plants each week.  How many weeks will it take for Sebastián and Amanda to have the same number of plants intheir gardens?

A) 20

B)12

C) 7

D)5

12. Which of the following tables shows values ​​that correspond to the product of (2x) (2x + 1)?

13. How is the following expression written in its simplest form? 

14. Which expression is the simplest form of the following product of polynomials?

20. Look at the isosceles trapezium PQRS in the Cartesian plane

A. How many units does the QR side measure?

B. What is the distance between points e P and R?

4. Which graph represents the solutions of the equation y = 3 ^ x