3 years ago

For what values of m does the graph of y = mx^2 – 5x – 2 have no x-intercepts?

1 answer:

8 0

$\Delta\ \textless \ 0\\
\Delta=(-5)^2-4\cdot m\cdot(-2)=25+8m\\
25+8m\ \textless \ 0\\
8m\ \textless \ -25\\
m\ \textless \ -\dfrac{25}{8}$

You might be interested in

This is just for people to get points!! Whats 10 x 10?

bulgar [2K]

Answer:

is equls to 100 Brainliest 6

5 0

3 years ago

Any clues on this please help

AysviL [449]

Im pretty sure points K and F

4 0

3 years ago

During February Kevin will water his ivy every third day and water his cactus every fifth day. He waters them the 15th of Februr

Llana [10]

February 15…......./..////////////!

7 0

4 years ago

B) A factor of 30 is chosen at random.

BigorU [14]

Answer:

0.375

Step-by-step explanation:

Listing the factors of 30

1, 2, 3, 5, 6, 10, 15, 30 ← that is 8 factors

There are 3, 2- digit factors, that is 10, 15, 30

Thus the probability of choosing a 2- digit number factor is

$\frac{3}{8}$ = 0.375

7 0

3 years ago

Ethan uses the function f(x) = 2x2 + 2x + 4 to track the temperature of a substance over 8 hours. You know that f(3) = 28 meanin

Ne4ueva [31]

Answer: Ethan uses the function f(x) = 2x2 + 2x + 4 to track the temperature of a substance over 8 hours. You know that f(3) = 28 meaning that the temperature of the substance is 28°C when you plug in a 3 for x. What is the domain of Ethan’s function?

Step-by-step explanation: try solving it yourself

6 0

3 years ago