A: What are the solutions to the quadratic equation x2+9=0? B: What is the factored form of the quadratic expression x2+9? Select one answer for question A, and select one answer for question B. B: (x+3)(x−3) B: (x+3i)(x−3i) B: (x−3i)(x−3i) B: (x+3)(x+3) A: x=3 or x=−3 A: x=3i or x=−3i A: x=3 A: x=−3i

A. The solutions are .

B. The factored form of the quadratic expression

Step-by-step explanation:

A. To find the solutions to the quadratic equation you must:

The solutions are:

B. Two expressions are equivalent to each other if they represent the same value no matter which values we choose for the variables.

To factor :

First, multiply the constant in the polynomial by where is equal to -1.

Since both terms are perfect squares, factor using the difference of squares formula

correct answers below:

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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