# STAAR Mathematics Grade 8 2022 - Past Paper

## Quiz by Texas Education Agency

Mathematics
Texas Essential Knowledge and Skills (TEKS)

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38 questions
• Q1
30s
8.10.C: Two-Dimensional Shapes
• Q2

The diagram shows a right triangle and the lengths of two of its sides in inches.

Which measurement is closest to the value of d in inches?

$14.3\ in.$

$6.3\ in.$

$19.8\ in.$

$4.0\ in.$

30s
8.7.C: Expressions, Equations and Relationships
• Q3
30s
8.8.A: Expressions, Equations and Relationships
• Q4
30s
8.5.D: Proportionality
• Q5
30s
8.4.B: Proportionality
• Q6
30s
8.7.A: Expressions, Equations and Relationships
• Q7
30s
8.2.D: Number and Operations
• Q8

A rectangle is graphed on a coordinate grid. Which transformation will result in a rectangle that is NOT congruent to the original rectangle?

A dilation by a scale factor of $3$

A reflection across the x-axis

A rotation of $180\degree$ counterclockwise

A translation $90$ units to the right

30s
8.10.B: Two-Dimensional Shapes
• Q9
30s
8.12.D: Personal Financial Literacy
• Q10

The graph of a linear function is shown on the coordinate grid.

What is the y-intercept of the graph of this function?

$\frac\left\{3\right\}\left\{2\right\}$

$\frac\left\{5\right\}\left\{3\right\}$

$\frac\left\{4\right\}\left\{5\right\}$

$\frac\left\{4\right\}\left\{3\right\}$

30s
8.4.C: Proportionality
• Q11
30s
8.10.C: Two-Dimensional Shapes
• Q12
30s
8.5.I: Proportionality
• Q13
30s
8.12.G: Personal Financial Literacy
• Q14
30s
8.6.A: Expressions, Equations and Relationships
• Q15

The line graphed on the coordinate grid can be used to determine the number of inches of water added to a swimming pool after different numbers of hours.

Which statement best describes the slope of the graphed line?

The water is being added at a rate of $1.25$ inches per hour.

The water is being added at a rate of $2.40$ inches per hour.

The water is being added at a rate of $0.80$ inch per hour.

The water is being added at a rate of $0.42$ inch per hour.

30s
8.4.C: Proportionality

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