# STAAR Mathematics Grade 8 2022 - Past Paper

## Quiz by Texas Education Agency

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### Measures 28 skills from

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- Q130s8.10.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?$14.3\backslash \; in.$

$6.3\backslash \; in.$

$19.8\backslash \; in.$

$4.0\backslash \; in.$

30s8.7.C: Expressions, Equations and Relationships - Q330s8.8.A: Expressions, Equations and Relationships
- Q430s8.5.D: Proportionality
- Q530s8.4.B: Proportionality
- Q630s8.7.A: Expressions, Equations and Relationships
- Q730s8.2.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*-axisA rotation of $180\backslash degree$ counterclockwise

A translation $90$ units to the right

30s8.10.B: Two-Dimensional Shapes - Q930s8.12.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?$\backslash frac\{3\}\{2\}$

$\backslash frac\{5\}\{3\}$

$\backslash frac\{4\}\{5\}$

$\backslash frac\{4\}\{3\}$

30s8.4.C: Proportionality - Q1130s8.10.C: Two-Dimensional Shapes
- Q1230s8.5.I: Proportionality
- Q1330s8.12.G: Personal Financial Literacy
- Q1430s8.6.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.

30s8.4.C: Proportionality