Mathematics ACT Aspire Practice Test 2025 – Complete Study Resource

Question: 1 / 400

Which of the following is the slope-intercept form of an equation?

y = mx + b

The slope-intercept form of a linear equation is defined as \( y = mx + b \), where \( m \) represents the slope of the line, and \( b \) is the y-intercept, or the point at which the line crosses the y-axis. This form is particularly useful because it clearly shows how the y-value changes in relation to the x-value, indicating the rate of change (slope) and the starting position on the y-axis.

The other options represent different forms of equations: one is a quadratic equation (indicating a parabola), another is point-slope form, which is used for linear equations but not in the slope-intercept format, and the last depicts the standard form of a linear equation. Understanding these forms helps differentiate how linear relationships are expressed mathematically, emphasizing why the choice \( y = mx + b \) is essential for identifying linear equations in slope-intercept form.

Get further explanation with Examzify DeepDiveBeta

y = ax^2 + bx + c

y - y1 = m(x - x1)

ax + by = c

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