Benchmark Review

Which of these is a correct statement about the function graphed below?

• Its equation is $y=5x$ , so it is NOT a linear function.

• Its equation is $y=5x$ , so it is a linear function.

• Its equation is $y=5^x$ , so it is NOT a linear function.

• Its equation is $y=5^x$ , so it is a linear function.

Enter a fraction equivalent to

 $0.\overline{4}$  
using only whole numbers for the numerator and denominator.

Answer explanation

Remember!  When you have a repeating decimal you can just put the repeating digit over 9!

Which of the following are rational numbers? Check the two that apply.

•  $\sqrt{10}$  

•  $\sqrt{11}$  

•  $\sqrt{16}$  

•  $\sqrt{20}$  

•  $\sqrt{25}$  

Which of the following statements is correct based on the number line below?

• $\sqrt{48}$ is to the right of point Q because it is less than 7.

• $\sqrt{48}$ is between points P and Q because it is less than 0 and greater than 7.

• $\sqrt{48}$ is between points P and Q because it is greater than 0 and less than 7.

• $\sqrt{48}$ is to the right of point Q because it is greater than 7.

Which of these statements is true about

 $\sqrt{3}$  ?

• It is IRRATIONAL, because it CAN be written as a fraction with an integer in the numerator and the denominator.

• It is IRRATIONAL, because it CANNOT be written as a fraction with an integer in the numerator and the denominator.

• It is RATIONAL, because it can be written as a fraction with an integer in the numerator and the denominator.

• It is RATIONAL, because it cannot be written as a fraction with an integer in the numerator and the denominator.

What is the value of

 $\sqrt{64}$  ?
Hint:  $"\pm"$  means positive and negative

•  $\pm8$  

•  $-8$  

•  $8$  

•  $4096$  

What is the value of  $\sqrt{121}$  ?

• 11

• 14641

• 242

• 60.5

Which of these is a solution to the equation?
 $x^2=10$  

•  $x=\sqrt{10}$  

•  $x=\sqrt{8}$  

•  $x=\sqrt{12}$  

•  $x=\sqrt{5}$  

To which of these equations is  $x=\frac{1}{2}$  a solution? 

•  $x^2=\frac{1}{4}$  

•  $x^3=\frac{1}{4}$  

•  $x^2=4$  

•  $x^3=4$  

Which of the graphs represent a linear function $y=mx+b$ for some values of m and b?
Choose ALL that are correct. 

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