Algebra 1 — Semester B
Free Practice · 8 Questions · 180 min
180:00 Exit
1
2
3
4
5
6
7
8
Question 1 of 8
TEKS 9A-9C Easy Word
Which represents exponential growth?
A y = x²
B y = 2/x
C y = 3x + 2
D y = 2(3)ˣ
Explanation
📌 Exponential growth: y = a·bˣ where b > 1. y = 2(3)ˣ has b = 3 > 1.
Question 2 of 8
TEKS 6A-6C Easy Calc
Solve: x² − 9 = 0
A 9
B ±3
C 3 only
D −9
Explanation
📌 x² = 9 → x = ±3. This is a difference of squares: (x+3)(x−3) = 0.
Question 3 of 8
TEKS 8A-8B Medium Calc Word
A rocket's height is h = −5t² + 30t. Maximum height?
A 90
B 45
C 30
D 60
Explanation
📌 t = −b/(2a) = −30/(2·(−5)) = 3. h(3) = −5(9)+30(3) = −45+90 = 45
Question 4 of 8
TEKS 10A-10E Easy Calc Word
Simplify: (3x² + 2x) + (x² − 5x)
A 4x² + 7x
B 4x² − 3x
C 4x² + 3x
D 3x⁴ − 3x
Explanation
📌 Combine like terms: (3x² + x²) + (2x − 5x) = 4x² − 3x
Question 5 of 8
TEKS 1A-1G Easy Calc
Solve: x² = 64
A 32
B −8 only
C 8 only
D ±8
Explanation
📌 x = ±√64 = ±8. Don't forget the negative root!
Question 6 of 8
TEKS 7A-7C Easy Calc Word Diagram
Which graph represents a quadratic function? A B
A A
B Neither
C B
D Both
Explanation
📌 Quadratic = U-shaped parabola. Graph A shows a parabola.
Graph B is a straight line → linear, not quadratic.
Question 7 of 8
TEKS 12A-12E Easy Calc Word
What is the 5th term of geometric sequence: 2, 6, 18, ...?
A 54
B 108
C 162
D 486
Explanation
📌 r = 3. a₅ = 2·3⁴ = 2·81 = 162
Question 8 of 8
TEKS 11A-11B Easy Calc
Simplify: x³ · x⁴
A x⁷
B x¹
C x¹²
D 2x⁷
Explanation
📌 Same base → add exponents: x³⁺⁴ = x⁷

Score
Correct
Wrong
Try Again Exit