Pls help i dont know ?
2 answers:
Hi student, let me help you out! :)
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We are asked to write "8 times the sum of 2 and 15" as an algebraic expression.
- "sum" means add
So, we add 2 and 15:
Now we multiply 8 times this expression:
Hope it helps you out! :D
Ask in comments if any queries arise.
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Answer:
The answer is option 1.
Step-by-step explanation:
In order to find the equation, you have to apply Discriminant Law, D = b² - 4ac. When D < 0, the equation has no real roots (no x-intercept). When D = 0, it has 2 and equal roots (1 x-intercept). When D > 0, it has 2 distinct roots (2 x-intercept).
Option 1,
Option 2,
Option 3,
Option 4,
As you look at the graph, the curve does not meet x-axis so the discriminant must be less than 0.