STAAR Algebra I May 2021 Released
STAAR?
State of Texas Assessments of Academic Readiness
Algebra I
Administered May 2021
RELEASED
Copyright ? 2021, Texas Education Agency. All rights reserved. Reproduction of all or portions of this work is prohibited without express written permission from the Texas Education Agency.
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STAAR ALGEBRA I REFERENCE MATERIALS
FACTORING Perfect square trinomials Difference of squares PROPERTIES OF EXPONENTS Product of powers Quotient of powers Power of a power Rational exponent Negative exponent LINEAR EQUATIONS Standard form Slope-intercept form Point-slope form
Slope of a line QUADRATIC EQUATIONS Standard form Vertex form
Quadratic formula
Axis of symmetry
STAAR?
State of Texas Assessments of Academic Readiness
a2 + 2ab + b2 = (a + b)2 a2 - 2ab + b2 = (a - b)2
a2 - b2 = (a - b)(a + b)
aman = a(m + n)
am = a(m - n) an (am)n = amn
m
a n = n am
a-n
=
1 an
Ax + By = C
y = mx + b
y - y1 = m(x - x1)
m
=
y2 - y1 x2 - x1
f (x) = ax2 + bx + c
f (x) = a(x - h)2 + k
- b x = x = -b
2a
b2- 4ac 2a
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