Prepare for your upcoming SAT with confidence using our comprehensive answer key for Practice Test 3.
Section 1: Heart of Algebra
Question 1:
Solve for x:
2(x + 3) = 10
Answer:
x = 2
Question 2:
Simplify:
(x^2 – 9) / (x – 3)
Answer:
(x + 3)
Section 2: Passport to Advanced Math
Question 3:
Find the slope of the line passing through the points (2, 5) and (6, 11).
Answer:
2
Question 4:
Solve for y:
2y – 5 = 3(y + 1)
Answer:
y = 2
Section 3: Additional Topics in Math
Question 5:
Find the area of a triangle with a base of 10 cm and a height of 6 cm.
Answer:
30 cm^2
Question 6:
Simplify:
sqrt(24) / sqrt(6)
Answer:
2
Section 4: Problem Solving and Data Analysis
Question 7:
A store sells apples at a rate of 5 for $2. If a customer buys 12 apples, how much will they pay?
Answer:
$4.80
Question 8:
The average age of 5 students is 18 years. If a sixth student joins them, the average age becomes 19 years. What is the age of the sixth student?
Answer:
23 years
Section 5: No Calculator
Question 9:
Find the value of x:
x^2 – 4x + 3 = 0
Answer:
x = 1 or x = 3
Question 10:
Simplify:
(2x + 3)(x – 2)
Answer:
2x^2 – x – 6
Tips for Success
- Practice regularly with our additional practice tests to improve your speed and accuracy.
- Identify your weak areas and focus on strengthening them.
- Utilize study resources such as Khan Academy or The College Board.
- Stay calm and confident during the actual test.
Common Mistakes to Avoid
- Misreading the instructions
- Rushing through the questions
- Making careless errors
- Guessing instead of using logical reasoning