Algebra I

What are "zeros"?

• Y intercepts

• Slope

• X intercepts

• Vertex

Tags

CCSS.HSF-IF.C.7A

Which function have we NOT covered?

• Linear equation

• Exponential equation

• Quadratic equation

• Radical equation

Which represents "slope-intercept form"?

• y = mx + b

• Ax + By = C

• y = Ax² + Bx + C

• y- y₁= m (x- x₁)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

When a function changes by a % it is a?

• Linear Function

• Exponential Function

• Quadratic Function

y = 13x - 8, what is the slope and y intercept?

• Slope = -8 and y intercept = 13

• Slope = 8 and y intercept = -13

• Slope = -13 and y intercept = 8

• Slope = 13 and y intercept -8

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Line M has a slope of 20 and crosses the y axis at (0, 100) what is the equation of M?

• 100 = 20x

• y = 100x + 20

• y = 20x + 100

• 20 = 100x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which expression is equivalent to −28x² + 35x?

• 7x (4x + 5)

• -7x (4x - 5)

• 7x (4x + 5)

• -7x (4x + 5)

Tags

CCSS.6.EE.A.3

What is true about the function: f(x) = 3(1.25)^x

• It has a slope of 1.25

• The parabola is translated up 3 units

• It represents exponential decay

• It represents exponential growth

Tags

CCSS.HSF-IF.C.8B

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

• 15

• 10

• 5

• 63

What is the vertex of the graph of the quadratic function f(x) = x²+ 6x + 10?

• (3, 1)

• (-3, -1)

• (-3, 1)

• (3, -1)