Write the solution to the given inequality in interval notation.

Mathematics

2 answers:

kumpel [21]4 years ago

7 0

Answer:

(-4, infinity) A

Step-by-step explanation:

According to the line graph, the value of the variable in question is greater than -4 since the arrow is pointing towards the positive x direction in the diagram i.e x>-4

This denote that x can take any value from -4 and above. Since there is no limit to what the value of x can be, in interval form, it can be expressed as (-4, infinity).

The interval above means the value of x is from -4 till infinity since the value of x is greater than -4 according to the graph.

kirill115 [55]4 years ago

3 0

It should be A
because the dot at number -4 is filled dot so it symbolize with [-4 and to infinity positive number symbolize with ∞)
so the answer [-4, ∞)

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shutvik [7]

Step-by-step explanation:

The quadratic equation given to us is ,

→ 4v² + 6v - 88 = 0 .

So , wrt to standard form of a quadratic equation ax² + bx + c = 0 , the Zeroes are given by using the Quadratic formula as ,

⇒ x = -b ± √ ( b² - 4ac) / 2a

⇒ x = -6 ± √ [6² - 4 × 4 × (-88) ] / 2×4

⇒ x = -6 ± √ [ 36 + 1408 ] / 8

⇒ x = -6 ± √ 1444 / 8

⇒ x = -6 ± 38 / 8