20 Answered Questions for the topic Regents

03/26/20

Exponential Function

Write the exponential function that corresponds to this set of values: {(1, 90), (2, 81), (3, 72.9), (4, 65.61)}

03/25/20

Algebra homework

Write an equation y = a(b)^x to model the given data. Let x = number of days after March 11, and let y = the total number of positive Covid-19 cases in NYC.March 11 = 53 total casesMarch 12 = 88... more

03/24/20

Need help with algebra

Joe buys a car for $5,000. Every year, it depreciates 10%. That means it is worth 90% of what it was worth the year before. If x = # of months after Joe bought the car, and y = value in dollars of... more
Regents Math Algebra 1

03/23/20

Need to know how to do this help

Write an exponential equation that models this function: {(1, 5), (2, 10), (3, 20), (4, 80)} Note: The general formula for an exponential function is y = a(b)^x, where a = initial value of the... more

05/14/19

math alegbra 9th grade ny regents

students were asked to write a formula for the length of a rectangle by using the formula for its perimeter, p=2l+2w.. three of their responses are shown below l= 1/2(p) -w 1/2(p-2w) p-2w/2... more

03/06/19

Determine if each given example represents a linear, quadratic, absolute value, or exponential function. Explain.

y = 2x — 7 f(x) = x2 — 8 p(x) = 3(5)x y = |x + 4|

04/27/18

(Parallel Circuits) Find: It and Vt?

Find: It, Vt, V1, V2, V3, R1, and R2   I1 = 2A   I2 = 4A I3 = 6A   R1 = ? R2 = ? R3 = 8 ohms    
Regents Math Science Physics

03/11/18

Using the information provided, calculate the period of the wave:

A transverse wave with an amplitude of 0.20 meter and wavelength of 3.0 meters travels toward the right in a medium with a speed of 4.0 meters per second. Using the information provided, calculate... more

03/11/18

Find the period and speed of the wave:

A periodic wave traveling in a uniform medium has a wavelength of 0.080 meter, an amplitude of 0.040 meter and a frequency of 5.0 Hertz. (a) Determine the period of the wave (b) Calculate the speed... more

08/18/16

Find the first four terms of the recursive sequence defined below.

aBASE0= -2 aBASEn+1= (aBASEn)^2-4

08/18/16

The directrix of the parabola 12(y+3)=(x-4)^2…

The directrix of the parabola 12(y+3)=(x-4)^2 has the equation y=-6. Find the coordinates of the focus of the parabola. This is question 30 on the June 2016 algebra 2 cc regents.

08/17/16

Help with graphs in algebra 2

specifically number 28 on the June 2016 algebra 2 cc regents but I need help graphing when told the amplitude,period,midline.. I know it's kinda hard to explain on here without a graph

08/17/16

Help with algebra 2 please!

24) The voltage used by most households can be modeled by a sine function. The maximum voltage is 120 volts, and there are 60 cycles every second. Which equation best represents the value of the... more

08/17/16

Help with this solution. Question 22 from the latest algebra 2 common core June regents

which value to the nearest tenth is not a solution of p(x)=q(x) if p(x)=x^3+3x^2-3x-1 and q(x)=3x+8   thank you!

08/17/16

Help with algebra 2 review my retake is tomorrow.

21) Last year, the total revenue for Home Style, a national restaurant chain, increased 5.25% over the previous year. If this trend were to continue, which expression could the company’s chief... more

How do I find the asymptote?

For question 18 on the algebra 2 common core test for June 2016 it says it's false that the graph of the equation c(x)=logBASE6x has an asymptote of y=0. I'm still confused how I would know this.

Which function represents exponential decay?

1) 2^0.3t 2) 1.2^3t 3) (1/2)^-t 4) y=5^-t   please explain how it is 4 I would think it was 3

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