STAAR Review SLHS 24-25

Front

Back

x = 4.5 or x = \frac{9}{2}

Front

What is the value of x in the solution to the system of equations: 3x - 5y = 22 and y = -5x + 32?

Back

x = 6.5

Front

Which function best models the data for the number of text messages sent and received over time?

Back

n(t) = 0.072t^2 - 0.15t + 2.73

Front

What is the equation in slope-intercept form of the line that passes through the points (-4, 2) and (12, 6)?

Back

y = 0.25x + 3

Front

What is the equation in slope-intercept form of the line that passes through the point (5, 0) and is parallel to the line represented by y = 1.2x + 3.8?

Back

y = 1.2x - 6

Front

Define slope-intercept form of a linear equation.

Back

The slope-intercept form is given by y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the quadratic formula used to solve quadratic equations?

Back

The quadratic formula is x = \frac{{-b \pm \sqrt{{b^2 - 4ac}}}}{{2a}}.

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

The slope m is calculated as m = \frac{{y2 - y1}}{{x2 - x1}}.

Front

What is a quadratic function?

Back

A quadratic function is a polynomial function of degree 2, typically in the form f(x) = ax^2 + bx + c.