NC Math 3 EOC Review

What is the value of the expression  $f\left(-4\right)+18\left(f\left(1\right)\right)-f\left(8\right)$  

• 9

• -39

• -31

• -9

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

 $Solve:\ \ \ \frac{-4}{x+1}+\frac{3}{x}=1$  

•  $-3$  

•  $\left\{-3,1\right\}$  

•  $\left\{-1,3\right\}$  

•  $1$  

Tags

CCSS.HSA.APR.D.7

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3

Which function has a point of discontinuity at  $x=4$  when graphed?

•  $f\left(x\right)=\left|x-4\right|+2$  

•  $f\left(x\right)=\frac{x-4}{x^2}$  

• 
•  $f\left(x\right)=\frac{x+2}{x^2-16}$  

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

The function  $y=a\left(1.40\right)^t$  models the value of an investment after  $t$  years.  Based on the function, what is the approximate monthly interest rate?

•  $2.8\%$  

•  $11.6\%$  

•  $3.3\%$  

•  $5.7\%$  

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.4

CCSS.HSF.LE.B.5

What is the remainder when $x^3+1$  is divided by  $x+3$ ? 

•  $28$  

•  $0$  

•  $-2$  

•  $-26$  

Tags

CCSS.HSA.APR.B.2

The graph of the function  $p\left(x\right)=x^3-x^2-13x-3$  has a zero at  $-3$  .  What are the other zeros of the function?

•  $-2$  and  $2$  

•  $2\pm\sqrt{5}$  

•  $-1\pm\sqrt{7}$  

•  $-4$  and  $1$  

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

 Write a polynomial  $p\left(x\right)$  that has zeros of 1(multiplicity 2),  $-4$  (multiplicity 1) and  $2$  (multiplicity 1).

•  $p\left(x\right)=x^4-11x^2+18x-8$  

•  $p\left(x\right)=x^3+x^2-10x+8$  

•  $p\left(x\right)=x^4+2x^3-9x^2+2x+8$  

•  $p\left(x\right)=x^3-7x^2-10x-8$  

Tags

CCSS.HSA.APR.B.3

The graph if this function is increasing at which interval?

• $\left[2,\infty\right]$

• $\left[0,2\right]$

• $\left[-1.5,2\right]$

• $\left[-\infty,-1.5\right]$

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Given the equation $5^{\left(-2x+3\right)}=75$  What is the value of x to the nearest ten-thousandth?

•  $2.8413$  

•  $.1587$  

•  $-1.3136$  

•  $.2275$  

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

• $2$

• $7$

• $8$

• $11$

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.C.6