$MathMaster logo$

MathMaster

Home
general
y x 2 8x 15 x 7

Question

Y=-x^2-8x-15 X=-7

216

likes

1082 views

Answer to a math question Y=-x^2-8x-15 X=-7

$Expert avatar$

4.7

97 Answers

$y=49-8\left(-7\right)-15$

$y=49-\left(-56\right)-15$

$y=49+56-15$

$y=105-15$

$y=90$

Frequently asked questions (FAQs)

Question: For the constant function f(x) = c, if c = 5, what is the value of f(10)?

+

What is the length of the angle bisector that divides side AB into segments of lengths 3 and 4?

+

What is the variance of the following data set: {4, 7, 9, 12, 16}?

+

New questions in Mathematics

what is 456456446+24566457

The length and breadth of my rectangular vegetable garden is 12,5m and 7,25m respectively. What is the perimeter of the garden?

Elliot opened a savings account and deposited $5000.00 as principal. The account earns 4% interest, compounded annually. How much interest will he earn after 5 years? Round your answer to the nearest cent.

(6.2x10^3)(3x10^-6)

Find the measures of the sides of ∆KPL and classify each triangle by its sides k (-2,-6), p (-4,0), l (3,-1)

Determine the momentum of a 20 kg body traveling at 20 m/s.

A National Solidarity Bond offers A 5 year bond offering a gross return of 15% Calculate the AER for this investment. (Give your answer to two decimal places, no need for the percent or € sign in your answer)

How many anagrams of the word STROMEC there that do not contain STROM, MOST, MOC or CEST as a subword? By subword is meant anything that is created by omitting some letters - for example, the word EMROSCT contains both MOC and MOST as subwords.

The physician orders 15mg of tramadol(liquid). On hand is 30mg/2mL vials. How many mL will the MA administer?

In the telephone exchange of a certain university, calls come in at a rate of 5 every 2 minutes. Assuming a Poisson distribution, the average number of calls per second is: a) 1/8 b) 1/12 c) 1/10 d) 2/5 e) 1/24

A researcher is interested in voting preferences on change of the governing constitution in a certain country controlled by two main parties A and B. A questionnaire was developed and sent to a random sample of voters. The cross tabs are as follows Favour Neutral Oppose Membership: Party A 70 90 85 Party B 50 50 155 Test at α = 0.05 whether party membership and voting preference are associated and state the conditions required for chi-square test results to be valid.

48 kg of 30% sulfuric acid in a mixture of 10% and 40% sulfuric acid arose. How many kilograms were each of the original solutions?

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?

Solve for B write your answer as a fraction or as a whole number. B-1/7=4

An election ballot asks voters to select three city judges from a group of 12 candidates. How many ways can this be done?

calculate the product of 4 and 1/8

How many digits are there in Hindu-Arabic form of numeral 26 × 1011

In a cheese factory, one pie costs 3800 denars. The fixed ones costs are 1,200,000 denars, and variable costs are 2,500 denars per pie. To encounter: a) income functions. profit and costs; b) the break-even point and profit and loss intervals.