Test - TCAP Success Grade 8 MATH Post-test

TCAP Success Grade 8 MATH Post-test Sample

1 pt

When the input to a function is –6, the output is 10. Which statements about this function must be true?

An input of –6 has infinitely many possible outputs.

An input of –6 has exactly one possible output.

An output of 10 has infinitely many inputs.

An output of 10 has exactly one input.

1 pt

In the diagram below, lines a, b, and c are parallel and lines d and e intersect at line b. Which equation cannot be true?

m ∠2 = 180 $°$ – m ∠7

m ∠3 + m ∠5 = m ∠7

m ∠2 = m ∠4 + 90 $°$

m ∠5 + m ∠3 = m ∠7

1 pt

11.

What is the solution of the system of equations shown below?

$y = \frac{1}{3} x - 2 y = - 2 x + 5$

(0, –2)

(3, – 2)

(2, –5)

(3, –1)

1 pt

13.

The table below shows two systems of linear equations. Indicate whether each system of equations has no solution, one solution, or infinitely many solutions by marking the correct box in the table. Select one box for each system.

Reset
	No Solution	One Solution	Infinitely Many Solutions
$y = 2 x 3 y = 6 x$
$y = 2 x + 3$ y=-5

1 pt

15.

Which statement best describes the value of $\sqrt{11}$ ?

The value of $\sqrt{11}$ is between 2 and 2.5.

The value of $\sqrt{11}$ is between 2.5 and 3.

The value of $\sqrt{11}$ is between 3 and 3.5.

The value of $\sqrt{11}$ is between 3.5 and 4.

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