More Lessons for SAT Math
More Resources for SAT
These videos are for the redesigned SAT, which is for you, if you are taking the SAT in March 2016 and beyond.
New SAT Math Practice Tests from the SAT Official Study Guide 2016, Practice Test 1, Section 4, Questions 1 to 4
New SAT Math Practice Tests from the SAT Official Study Guide 2016, Practice Test 1 (pdf)
SAT Math Practice Test 1 Section 4 - Calculator
If y = kx, where k is a constant and y = 24 when x = 6, what is the value of y when x = 5?
Substitute y = 24 and x = 6 into the equation y = kx.
24 = 6k
k = 24 ÷ 6 = 4
Substitute k = 4 and x = 5 into y = kx
y = 4 • 5
y = 20
The answer is choice c.
Go to next Question
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.