Big Ideas Algebra 1 Chapter 1

Equations that have the same solutions, such as r + 2 = 4 and r + 1 = 4

• equivalent equations

• absolute value equations

• linear equation in one variable

• none of the above

Tags

CCSS.8.EE.C.7A

A literal equation that shows how one variable is related to one or more other variables

• formula

• solution

• rule

• none of the above

Tags

CCSS.HSA.CED.A.4

An equation that is true for all value of the variable

• formula

• solution

• equation

• identity

Tags

CCSS.8.EE.C.7A

Use the vertex form to write the equation of the parabola.

What is the vertex of the equation
y= (x-12)²+7 ?

• (1,7)

• (-12, 7)

• (7,12)

• (12, 7)

Find the y-intercept of f(x) = 2x²-2x + 1

• 2

• -2

• 1

• -1

Tags

CCSS.HSF-IF.C.7A

Which of the following is standard form of a quadratic equation?

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Which characteristic is NOT true of the parabola formed by the equation y = 2(x-4)(x+3)

• x-intercept of 4

• x-intercept of -3

• opens up

• vertex at (4,3)

Tags

CCSS.HSF-IF.C.7A

What is the domain and range of the given parabola:
 y=6(x-4)²-1?

• Domain: all real numbers
  Range: y≥-1

• Domain: x≥-1
  Range: all real numbers

• Domain: all real numbers
  Range: y ≤-1

• Domain: x≤-1
  Range: all real numbers

What is the y-intercept of 
f(x)=-2x² + 4x - 6

• (0, 6)

• (0, -6)

• (6, 0)

• (-6, 0)

Tags

CCSS.HSF-IF.C.7A