Answer:
x² + 1 = 0
Step-by-step explanation:
You can form any with discriminant negative (B²-4AC < 0)
An example could be:
x² + 1 = 0
x² = -1 which has no real roots/solutions
The length of the colony is the product of 5. 3 × 10^3 and the length of the bacteria
The total length of the colony is 143.1 mm
<h3>How to determine the length of the colony?</h3>
The given parameters are:
Bacteria = 2.7 × 10^–2 mm.
Colony = 5. 3 × 10^3 of the bacteria
So, the length (L) of the colony is:

Rewrite as:

Evaluate the products

Evaluate the product

Hence, the total length of the colony is 143.1 mm
Read more about lengths at:
brainly.com/question/24487155
Answer:

it seems that the answer didn't match the alternatives. But t < 1 is true.
If t > 1:
So, considering t = 2



This is not true.
Step-by-step explanation:
Given inequality:





Dividing both sides by -7 will led to the flip of the inequality symbol.

Considering t = -1




That's right
Answer:
1.900 miles / 2 = 950 miles per day.
2700 miles / 3 = 900 miles per day.
Therefore, the other family travelled faster.