Test - TCAP Success Grade 8 MATH Pre-Test

TCAP Success Grade 8 MATH Pre-Test Sample

1 pt

Regan states that any function without exponents must be linear. Which function proves Regan’s statement is incorrect?

$y = \frac{4}{x} + 2$

$y = 3 x + 1$

$y = \frac{x}{4} + 3$

$y = x^{3} + 2$

1 pt

Three irrational expressions are shown in the first column of the table. Match each expression to its closest approximate value on the top row of the table.

Reset
	5.34	6.32	3.52
$2 \sqrt{10}$
$\frac{3}{4} \sqrt{22}$
$1.7 π$

1 pt

13.

Consider the equation 3(x + 4) = 4 + 3x. How many solutions does this equation have?

0 solutions

1 solution

2 solutions

Infinitely many solutions

1 pt

17.

Three times a number plus nine is four times the sum of the same number and 2. What is the value of the unknown number?

There are infinitely many solutions.

x = 7

There is no solution.

x = 1

1 pt

20.

A company uses $6.8 x 10^{5}$ bolts a month in producing aircraft parts. The helicopter department uses $2.3 x 10^{2}$ bolts per month. How many bolts are used in other aircraft? Express your answer in scientific notation.

$4.5 \times 10^{5}$

$5.5 \times 10^{3}$

$6.777 \times 10^{5}$

$6.7977 \times 10^{5}$

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