Algebra 1 — Semester A
Free Practice · 7 Questions · 180 min
180:00 Exit
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Question 1 of 7
TEKS 1A-1G Easy Calc Word Diagram
A cell phone plan charges $30 per month plus $0.10 per text. Which equation represents the monthly cost C for t texts? Monthly Plan $30 + $0.10/text C = ? t = number of texts
A C = 0.10(30 + t)
B C = 30.10t
C C = 30t + 0.10
D C = 30 + 0.10t
Explanation
📌 Fixed cost = $30 (base monthly charge)
Variable cost = $0.10 per text = 0.10t
Total: C = 30 + 0.10t

💡 This is a linear equation in slope-intercept form: y = mx + b where m = 0.10 and b = 30.
Question 2 of 7
TEKS 2A-2H Easy Calc Word Diagram
What is the slope of the line shown? x y (-2,-1) (2,3) run = 4 rise = 4
A 2
B 1
C 1/2
D −1
Explanation
📌 slope = rise/run = (3-(-1))/(2-(-2)) = 4/4 = 1

💡 Positive slope → line goes UP from left to right.
Question 3 of 7
TEKS 1A-1G Easy Calc Word
A store sells notebooks for $3 each. If you have $21, how many notebooks can you buy?
A 6
B 8
C 7
D 9
Explanation
📌 21 ÷ 3 = 7 notebooks
This is a division problem: total money ÷ price per item.
Question 4 of 7
TEKS 3A-3G Easy Calc Word Diagram
Which graph represents y = 2x + 1? A B
A A
B Both
C Neither
D B
Explanation
📌 y = 2x + 1:
• Slope = 2 (positive → goes UP)
• y-intercept = 1 (crosses y-axis above origin)
Graph A shows positive slope with y-intercept above origin.
Question 5 of 7
TEKS 12A-12E Easy Calc Word
What is the 10th term of the arithmetic sequence: 3, 7, 11, 15, ...?
A 39
B 37
C 43
D 35
Explanation
📌 Common difference d = 7 − 3 = 4
a_n = a_1 + (n−1)d = 3 + (10−1)(4) = 3 + 36 = 39
Question 6 of 7
TEKS 5A-5C Medium Calc Word Diagram
The graph shows two lines. What is the solution to the system? x y y=x+1 y=-x+3 (1, 2)
A (3, 0)
B (1, 2)
C (0, 1)
D (2, 3)
Explanation
📌 The solution is where the lines intersect = (1, 2).
Verify: y = x + 1 → 2 = 1 + 1 ✓
y = −x + 3 → 2 = −1 + 3 ✓
Question 7 of 7
TEKS 4A-4C Medium Calc Word Diagram
The scatter plot shows the relationship between hours studied and test scores. What type of correlation is shown? Hours Studied Test Score
A Positive correlation
B Cannot determine
C No correlation
D Negative correlation
Explanation
📌 Points trend upward from left to right → positive correlation.
As hours studied increases, test score increases.
The trend line slopes upward → positive relationship.

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