$MathMaster logo$

MathMaster

Home
general
evaluate 4x 2 4x 5 at the point x 4

Question

Evaluate -4x^2+ 4x - 5 at the point x = 4

218

likes

1089 views

Answer to a math question Evaluate -4x^2+ 4x - 5 at the point x = 4

$Expert avatar$

4.6

107 Answers

1. Substitute \( x = 4 \) in the expression \(-4x^2 + 4x - 5\).
2. Calculate \((-4)(4)^2\):

-4 \cdot 16 = -64

3. Calculate \(4 \cdot 4\):

4 \cdot 4 = 16

4. Subtract 5:

-64 + 16 - 5

5. Simplify:

-64 + 16 = -48

-48 - 5 = -53

6. Final answer:

-61

Frequently asked questions (FAQs)

What is the value of f(x) = 2x + 5, when x = 10?

+

What is the average number of books read by a sample of 50 students, given that 20 students read 5 books each and the rest read 3 books each?

+

What is the resultant vector when adding (3, -2) and (-4, 5)?

+

New questions in Mathematics

a to the power of 2 minus 16 over a plus 4, what is the result?

Solution of the equation y'' - y' -6y = 0

Let the vectors be u=(-1,0,2) , v=(0,2,-3) , w=(2,2,3) Calculate the following expressions a)<u,w> b) <2u- 5v,3w>

What payment 7 months from now would be equivalent in value to a $3,300 payment due 23 months from now? The value of money is 2.7% simple interest. Round your answer to 2 decimal places. Show all work and how you arrive at the answer..

Substitute a=2 and b=-3 and c=-4 to evaluate 2ac/(-2b^2-a)

The average number of babies born at a hospital is 6 per hour. What is the probability that three babies are born during a particular 1 hour period?

A triangular window has a base of 6 ft. and a height of 7 ft. What is its area?

Given (3x+2)E [2;14] how much money (in soles) does Sophia have if numerically it is the greatest value of x?

sum of 7a-4b+5c, -7a+4b-6c

The question is using rule 72 determine Kari wants to save 10,000 for a down payment on a house. Illustrate the difference in years it will take her to double her current 5,000 savings based on 6%, 12% and 18% interest rate .

A Smooth Plane is listed for $195.00. Discounts of 12% and 10% are allowed. If the customer pays cash within 30 days, an additional discount of 3% is granted. What is the cost if a carpenter takes advantage of all the discounts offered?

Let f and g be defined in R and suppose that there exists M > 0 such that |f(x) − f(p)| ≤ M|g(x) − g(p)|, for all x. Prove that if g is continuous in p, then f will also be continuous in p.

1. A jeweler has two gold bars, with 80% purity and the other with 95% purity. How much of each must be melted to obtain a 5 kilo ingot with 86% purity?

For the numbers below, select a number at random and find the probability that: a. The number is even b. The sum of the number’s digit is even c. The number is greater than 50 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97

A candy manufacturer must monitor deviations in the amount of sugar in their products They want their products to meet standards. They selected a random sample of 20 candies and found that the sandard deviation of that sample is 1.7. What is the probabilty of finding a sample variance as high or higher if the population variance is actually 3277 Assume the population distribution is normal.

7-1=6 6x2=12 Explain that

What is the set-off agreement? Make your own example, describe and put in T accounts how you record transactions.