Equations X and Y Intercepts

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

• (6 , 0)

• (-6 , 0)

• (0, -6)

• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

What can we find easily in factored form?

• y-intercept

• vertex

• zeros/x-intercepts

What are the zeros for the function
f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)

• (0 , 7) and (0 , 5)

• (-7 , 0) and (-5 , 0)

• (7 , 0) and (5 , 0)

Tags

CCSS.HSF-IF.C.7C

Compare f(x) to g(x). Which statement is true about their y-intercepts?

• f(x) has a negative y-intercept.

• g(x) has a negative y-intercept.

• They both have positive y-intercepts.

• They both have negative y-intercepts.

Compare g(x) to f(x). Which statement is true about their y-intercepts?

• Both y-intercepts are positive.

• g(x) has a positive y-intercept and f(x) has a negative.

• Both y-intercepts are negative.

• f(x) has a positive y-intercept and g(x) has a negative.

• TRUE

• FALSE

Tags

CCSS.HSF-IF.C.7A

• g(x) has a greater y-intercept of 12 compared to h(x) which is a -4.

• h(x) has a greater y-intercept of 7 compared to g(x) which is a -5.

• They have equal y-intercepts of 1.

• Trick question, we don't know the y-intercept since the equations are NOT in standard form.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Compare g(x) to f(x). Which statement is true?

• g(x) has 2 negative x-intercepts.

• f(x) has one positive and one negative x-intercepts.

• f(x) has 2 positive x-intercepts.

• g(x) has 2 positive x-intercepts.

Compare g(x) to f(x). Which statement is true about their x-intercepts?

• g(x) and f(x) each have 2 x-intercepts.

• g(x) and f(x) each have 0 x-intercepts.

• g(x) has 2 x-intercepts and f(x) has 0.

• f(x) has 2 x-intercepts and g(x) has 0.

Parallel Lines have equations with equal slopes and different y-intercepts.  TRUE OR FALSE

• TRUE

• FALSE