Solve the compound inequality.
3 < r < 9
Write the slope-intercept form of the equation of the line.
y = 8x - 3
Write the equation of the absolute value function.
y = 2 l x + 4 l - 1
Simplify the expression.
-32r - 31
Solve the equation.
All Real Numbers
Solve the equation by factoring.
x = 7 and x = -4
Solve the system by elimination.
(3, 1)
Find the discriminant. State the number and type of solutions.
Zero; One Real Solution
Graph the function. State the vertex, y-intercept, and min or max value.
Check students' graphs. Vertex: (-1, -4); y-intercept: (0, -3); Min at -4
Sketch a graph of the inequality.
Check students' graphs.
Solve the equation using the quadratic formula.
5 +- sqr(113) / 2
Solve by taking square roots.
r = 3 and r = -3
Write the slope-intercept form of the equation of the line through the points.
y = 3/4x + 1
Simplify the radical.
6*sqr(5)
Solve the equation.
x = -4 and x = -5