New SAT Math Practice Test 1, Section 4, Part 1
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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
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.
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