College Math CLEP Prep Practice Exam

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What is the x-intercept of the line y = -2x + 4?

4
-4
2
-2

The correct answer is: -2

The x-intercept of a line is the point where the line crosses the x-axis. To find the x-intercept, we can set y equal to 0 and solve for x. Using the equation y = -2x + 4, we can substitute 0 in for y 0 = -2x + 4 We can then solve for x by subtracting 4 from both sides and dividing both sides by -2: x = 4/-2 x = -2 Therefore, the x-intercept of the line y = -2x + 4 is -2. Option A, 4, is incorrect because it is the y-intercept of the line, which is the point where the line crosses the y-axis. Option B, -4, is incorrect because it is the y-value of the x-intercept, instead