Test - KY K-PREP 8th Grade Math Part A

1 pt Chapter: 3 Standard: 8.NS.1 DOK: 1

Which of the following is a rational number?

$\sqrt{7}$

$5 π$

$\sqrt{324}$

$\sqrt{12}$

1 pt Chapter: 3 Standard: 8.NS.2 DOK: 2

Which number is $\sqrt{78}$ closest to?

1 pt Chapter: 1 Standard: 8.EE.1 DOK: 3

What is the value of $\frac{12 x^{5}}{{(2 x^{- 4})}^{- 3}}$ ?

$\frac{1}{6 x^{8}}$

$\frac{96}{x^{7}}$

$\frac{3}{2 x^{7}}$

$\frac{3 x^{7}}{2}$

1 pt Chapter: 2 Standard: 8.EE.4 DOK: 2

Subtract: $(1.93 \times 10^{5}) - (1.4 \times 10^{3})$

$0.53 \times 10^{8}$

$0.53 \times 10^{2}$

$1.916 \times 10^{5}$

$1.916 \times 10^{8}$

1 pt Chapter: 12 Standard: 8.EE.6 DOK: 1

Which equation is shown in the graph below?

$y = - \frac{1}{2} x + 1$

$y = x + 1$

$y = \frac{1}{2} x + 1$

$y = 2 x + 1$

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