Question 1

The graphs of the equations $y\ =\ x^2+\ 4x\ -1$ and $y+3=x$ are drawn on the same set of axes. One solution of this system is

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 2

Which statement is true about the graph of $y\ =\ x^2+\ 4x\ -1$ ?

Accepted Answer

The graph is always decreasing.

Answer

The graph passes through $y\ =\ x^2+\ 4x\ -1$ .

Answer

The graph is always increasing.

Answer

The graph has an asymptote, $y\ =\ x^2+\ 4x\ -1$ .

Question 3

For all values of x for which the expression is defined, $y\ =\ x^2+\ 4x\ -1$ , in simplest form, is equivalent to

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 4

A scatterplot showing the weight, $y\ =\ x^2+\ 4x\ -1$ , in grams, of each crystal after growing $y+3=x$ hours is shown below.

The relationship between weight, $w$ , and time, $t$ , is best modeled by

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 5

Where $y\ =\ x^2+\ 4x\ -1$ is the imaginary unit, the expression $y+3=x$ is equivalent to

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 6

Which function is even?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 7

The function $y\ =\ x^2+\ 4x\ -1$ models the number of grams in a sample of cesium- $y+3=x$ that remain after $t$ years. On which interval is the sample’s average rate of decay the fastest?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 8

Which expression can be rewritten as $y\ =\ x^2+\ 4x\ -1$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 9

What is the solution set of the equation $y\ =\ x^2+\ 4x\ -1$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 10

The depth of the water at a marker $y\ =\ x^2+\ 4x\ -1$ feet from the shore in a bay is depicted in the graph below.

If the depth, $d$ , is measured in feet and time, $w$ , is measured in hours since midnight, what is an equation for the depth of the water at the marker?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 11

On a given school day, the probability that Nick oversleeps is $y\ =\ x^2+\ 4x\ -1$ and the probability he has a pop quiz is $y+3=x$ . Assuming these two events are independent, what is the probability that Nick oversleeps and has a pop quiz on the same day?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 12

If $y\ =\ x^2+\ 4x\ -1$ is a factor of $y+3=x$ , what is the value of $t$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 13

The profit function, $y\ =\ x^2+\ 4x\ -1$ , for a company is the cost function, $y+3=x$ , subtracted from the revenue function, $t$ . The profit function for the Acme Corporation is $p\left(x\right)=-0.5x^2+250x-300$ and the revenue function is $r\left(x\right)=-0.3x^2+150x$ . The cost function for the Acme Corporation is

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 14

The populations of two small towns at the beginning of $y\ =\ x^2+\ 4x\ -1$ and their annual population growth rate are shown in the table below.

Assuming the trend continues, approximately how many years after the beginning of $d$ will it take for the populations to be equal?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 15

What is the inverse of $y\ =\ x^2+\ 4x\ -1$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 16

A $y\ =\ x^2+\ 4x\ -1$ th degree polynomial has zeros $y+3=x$ , and $t$ . Which graph could represent the function defined by this polynomial?

Accepted Answer

https://uploads.quizalize.com/a8579f95-324b-44e7-9207-789e95af7b3b/question/41dcd050617fb48a66f492552b8f74212fb35da1.png

Answer

https://uploads.quizalize.com/a8579f95-324b-44e7-9207-789e95af7b3b/question/9e049aa3b163bee98552baae55771453a58eae10.png

Answer

https://uploads.quizalize.com/a8579f95-324b-44e7-9207-789e95af7b3b/question/3c6ed0fb200f599c1c225edbfb759ec4fc9923b6.png

Answer

https://uploads.quizalize.com/a8579f95-324b-44e7-9207-789e95af7b3b/question/84149f03a9957b420b32ead732bdc04fa7f81bb6.png

Question 17

The weights of bags of Graseck’s Chocolate Candies are normally distributed with a mean of $y\ =\ x^2+\ 4x\ -1$ ounces and a standard deviation of $y+3=x$ ounces. What is the probability that a bag of these chocolate candies weighs less than $t$ ounces?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 18

The half-life of iodine- $y\ =\ x^2+\ 4x\ -1$ is $y+3=x$ days. The percent of the isotope left in the body $t$ days after being introduced is $p\left(x\right)=-0.5x^2+250x-300$ . When this equation is written in terms of the number $r\left(x\right)=-0.3x^2+150x$ , the base of the natural logarithm, it is equivalent to $I\ =\ 100e^{kd}$ . What is the approximate value of the constant, $k$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 19

The graph of $y\ =\ x^2+\ 4x\ -1$ is translated to the right $y+3=x$ unit and down $t$ unit. The coordinates of the $p\left(x\right)=-0.5x^2+250x-300$ -intercept of the translated graph are

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 20

For positive values of $y\ =\ x^2+\ 4x\ -1$ , which expression is equivalent to $y+3=x$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 21

Which equation represents a parabola with a focus of $y\ =\ x^2+\ 4x\ -1$ and a directrix of $y+3=x$ ?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 22

Given the following polynomials

$x=\ \left(a+b+c\right)^2$

$y=\ a^2+b^2+c^2$

$z=\ ab+bc+ac^{ }$

Which identity is true?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 23

On average, college seniors graduating in $y\ =\ x^2+\ 4x\ -1$ could compute their growing student loan debt using the function $y+3=x$ , where $t$ is time in years. Which expression is equivalent to $p\left(x\right)=-0.5x^2+250x-300$ and could be used by students to identify an approximate daily interest rate on their loans?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Question 24

A manufacturing plant produces two different-sized containers of peanuts. One container weighs $y\ =\ x^2+\ 4x\ -1$ ounces and the other weighs $y+3=x$ pounds. If a gift set can hold one of each size container, which expression represents the number of gift sets needed to hold $t$ ounces?

Accepted Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

Answer

$\left(-1,-4\right)$

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